awesome-dotnet

.NET toolkit

A collection of curated .NET libraries, tools, and frameworks for software development

A collection of awesome .NET libraries, tools, frameworks and software

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Table of Contents / Algorithms and Data structures

OneOf3,561about 2 years agoOneOf provides discriminated unions for C# with exhaustive compile time matching
Algorithmia536about 4 years agoAlgorithm and data-structure library for .NET 3.5 and up. Algorithmia contains sophisticated algorithms and data-structures like graphs, priority queues, command, undo-redo and more
C# Algorithms5,971about 3 years agoA C# plug-and-play class-library project of standard Data Structures and Algorithms. It contains 35+ Data Structures and 30+ Algorithms designed as Object-Oriented isolated components
Towel729over 2 years agodata structures, algorithms, mathematics, metadata, extensions, console, measurements, and other useful stuff
Akade.IndexedSet64almost 2 years agoA convenient data structure supporting efficient in-memory indexing and querying, including range queries and fuzzy string matching

Table of Contents / API

FastEndpoints4,755almost 2 years agoHigh-performance middleground between classic ASP.NET Core API controllers and Minimal APIs. Using a REPR ( ) pattern, this library eliminates the boilerplate and monolithic feel of controllers by improving colocation of code
Telegram.Bot3,262almost 2 years ago.NET Client for
TLSharp1,003almost 5 years agoIt's a perfect fit for any developer who would like to send data directly to Telegram users or write own custom Telegram client
WTelegramClient1,023almost 2 years agoAutomate a user account on Telegram, using the latest version of
NancyFx7,149over 5 years agoLightweight, low-ceremony, framework for building HTTP-based services on .NET and Mono
ASP.NET Web APIFramework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices
BreezeAPI framework enabling rich data access by using the OData 3 protocol. Client libraries available for JavaScript and C#
Mobius: C# API for Spark941over 2 years agoMobius adds C# language binding to Apache Spark, enabling the implementation of Spark driver code and data processing operations in C#
ServiceStack5,416almost 2 years agoThoughtfully architected, obscenely fast, thoroughly enjoyable web services for all
Nelibur128about 8 years agoNelibur is message based web service framework on the pure WCF. Nelibur simplifies creating high-performance and message-based web services and you certainly have all the power of the WCF
WebAPI Contrib767almost 10 years agoCollection of open source projects to help improve your work with ASP.NET Web API
Xamarin.EssentialsXamarin.Essentials provides developers with cross-platform APIs for their mobile applications
FFImageLoading - Fast & Furious Image Loading1,416over 3 years agoThis Library to load images quickly & easily on Xamarin.iOS, Xamarin.Android, Xamarin.Forms, Xamarin.Mac / Xamarin.Tizen and Windows (UWP, WinRT)
Ocelot8,421almost 2 years ago.NET core API Gateway
CommandQuery107about 2 years agoCommand Query Separation for 🌐ASP.NET Core ⚡AWS Lambda ⚡Azure Functions ⚡Google Cloud Functions 🌐ASP.NET Web API 2

Table of Contents / Application Frameworks

.NET Boxed Framework725almost 2 years ago.NET Core Extensions and Helper NuGet packages
ASP.NET Boilerplate11,849almost 2 years agoA starting point for new modern ASP.NET MVC web applications with best practices and most popular tools
ABP13,038almost 2 years agoThe next generation of the ASP.NET Boilerplate web application framework
Orleans10,167almost 2 years agoOrleans is a framework that provides a straight-forward approach to building distributed high-scale computing applications, without the need to learn and apply complex concurrency or other scaling patterns
Newbe.Claptrap215over 3 years agoThis is a set of server-side development frameworks with reactive, event sourcing and Actor pattern as basic theories. On top of this, developers can develop "distributed", "scale out", and "easy to test" application more simply
CoreFX17,650over 3 years agoThe corefx repo contains the library implementation (called "CoreFX") for .NET Core. It includes System.Collections, System.IO, System.Xml and many other components
CSLA .NET1,273almost 2 years agobusiness layer development framework
Mono11,160about 2 years agoOpen source ECMA CLI, C#, F#, VB and .NET implementation
Mono-Addins163over 2 years agoMono.Addins is a generic framework for creating extensible applications, and for creating add-ins which extend those applications
peasy513over 2 years agoPeasy is a middle tier framework that offers an easy to use and flexible rules engine and was designed to address common challenges such as concurrency handling, transactional support, fault tolerance, threading, scalability, async and multiple client support, and easy testability, all without a huge learning curve!
Plastic59about 2 years agoPlastic provides encapsulation of things like Domain, Application Rules, Business Rules or Business Logic in Application. For this, Command pattern is used
Signals60almost 2 years agoSignals is a .NET5 based framework which focuses on increasing the quality and productivity within development teams by providing them with tools, aspects and processes
Spring.Net858almost 2 years agoSpring.NET is an open source application framework that makes building enterprise .NET applications easier
DotNetty4,105about 2 years agoDotNetty is a port of Netty, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients
AspectCore Framework1,700almost 2 years agoAspectCore Framework is an Aspect-Oriented Programming based cross platform framework for .NET Core and .NET Framework. Core support for aspect-interceptor,dependency injection integration , web applications , data validation , and more
HopFramework49almost 4 years agoHopFramework is a framework to create projects easily applying Domain Driven Design and a lot of patterns to delivery a better solution
Fusion1,863over 2 years ago.NET Core and Blazor library that attempts to dramatically improve the way we implement real-time and high-load services by introducing a novel kind of "computed observables" - immutable, thread-safe, and most importantly, almost invisible for developers
silky276about 2 years agoThe Silky framework is designed to help developers quickly build a microservice development framework through simple code and configuration under the .net platform

Table of Contents / Application Templates

.NET Boxed Templates3,415almost 2 years ago.NET project templates with batteries included, providing the minimum amount of code required to get you going faster
ASP.NET Core Starter Kit1,161almost 4 years agobackend: .NET Core, EF Core, C#; frontend: Babel, Webpack, React, CSS Modules
ProjectScaffold517about 3 years agoA prototypical .NET solution recommended by the F# Foundation---includes file system setup, Paket for dependencies and FAKE for build/test automation. By default, build process also compiles documentation and generates NuGet packages
Serene2,609almost 2 years agoSerenity is an ASP.NET MVC application platform designed to simplify and shorten development of data-centric business applications with a service-based architecture. Serene is a starter template to build Serenity applications
Side-Waffle657over 6 years agoLarge collection of useful templates for Web and Desktop development
Template101,415over 2 years agoWindows 10 templates with design patterns
Nucleus356about 3 years agoVue startup application template that uses ASP.NET Core API layered architecture at the back-end and JWT based authentication
JHipster.NET315almost 2 years agoJHipster blueprint for replace orginal SpringBoot Backend by asp.net core. The main goal generator of jhipster is showcases best practices of modern web development in java. So the goal of the project is to do the same in .net. The Frontend can be generated with angular or react and soon with blazor

Table of Contents / Artificial Intelligence

AIMLBot (Program#)A small, fast, standards-compliant yet easily customizable implementation of an AIML (Artificial Intelligence Markup Language) based chatter bot in C#
SIMLSynthetic Intelligence Markup Language, a next generation Chatbot & Digital Assistant Language
Mpt-Instruct-DotNet-S18about 3 years agoLLM that can generate and explain C# code (and its C# wrapper to run on consumer CPU with 5GB ram+, contains Console and Blazor sample projects)
LLamaSharp2,750almost 2 years agoC#/.NET Binding of llama.cpp, run LLaMA/GPT model using C# without having to compile lama.cpp

Table of Contents / Assembly Manipulation

Fody4,382almost 2 years agoExtensible tool for weaving .NET assemblies
ILRepack1,192almost 2 years agoOpen-source alternative to ILMerge
Mono.Cecil2,775almost 2 years agoCecil is a library to generate and inspect programs and libraries in the ECMA CIL form

Table of Contents / Assets

Cassette534over 4 years agoManages .NET web application assets (scripts, css and templates)
NodeAssets23about 4 years agoAsset Manager for .NET that has live CSS updates using SignalR and can optionally leverage Node.js compilers
Bundle Transformer130almost 2 years agoModular extension for . Its modules supports LESS, Sass, CoffeeScript, TypeScript, Mustache, Handlebars, Autoprefixer along with a bunch of different JS and CSS minifiers
Bundler263over 9 years agoCompile & Minify Less/Sass/Stylus/Css/JS/CoffeeScript/LiveScript files. Integrates with MVC and ServiceStack
SquishIt459over 3 years agoLets you bundle some CSS and JavaScript

Table of Contents / Authentication and Authorization

Abblix OIDC Server40almost 2 years agoA fully certified OpenID Connect server library for .NET by the OpenID Foundation, providing comprehensive support for OAuth2 and OpenID Connect across all profiles
ASP.NET Identity1,962almost 8 years agoNew membership system for ASP.NET applications
ASP.NET SAML373almost 2 years agoSAML authentication support for ASP.NET apps
Logibit Hawk36over 8 years agoA F# authentication library
IdentityModelHelper library for identity & access control in .NET 4.5 and MVC4/Web API
IdentityServerExtensible OAuth2 and OpenID Connect provider framework
OAuth78almost 6 years agoA very lightweight library for generating OAuth 1.0a signatures written in C#
StuntmanStuntman is a library for impersonating users during development leveraging .NET Claims Identity
openiddict4,484almost 2 years agoFlexible and versatile OAuth 2.0/OpenID Connect stack for .NET
TopazA fine-grained authorization system with .NET SDK
EnforcerWrite fine grained authorization policy in easy-to-read language, and have it compiled to native .NET code
SAML IdentityServerAdd SAML 2P support to your Duende IdentityServer
SAML OpenIddictAdd SAML 2P support to your OpenIddict

Table of Contents / Blazor

BootstrapBlazor2,805almost 2 years agoA set of enterprise-class UI components based on Bootstrap and Blazor
ant-design-blazor5,858almost 2 years agoA set of enterprise-class UI components based on Ant Design and Blazor WebAssembly
MASA.Blazor1,209almost 2 years agoA set of enterprise-class UI components based on Material Design and Blazor WebAssembly
Megabit.Blazorise3,328almost 2 years agoBlazorise is a component library built on top of Blazor and CSS frameworks like Bootstrap, Bulma and Material. Very easy to use
blazork8s173almost 2 years agok8s management ui in blazor and .NET Core
MudBlazor8,275almost 2 years agoA Material Design framework for Blazor, allowing .NET developers to quickly build web apps, with extensive documentation and examples

Table of Contents / Blockchain

Nethermind1,288almost 2 years agofull Ethereum client in .NET Core

Table of Contents / Build Automation

Psake1,566almost 2 years ago.NET-based build automation tool written in PowerShell
FAKE1,291almost 2 years agoF# Make, a cross-platform build automation system
Invoke-Build659almost 2 years agoPowerShell build and test automation tool inspired by Psake
MSBuild5,256almost 2 years agoThe Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio
Cake3,928almost 2 years agoCake (C# Make) is a cross-platform build automation system with a C# DSL
Nake238over 2 years agoMagic script-based C# task runner
Nuke3,116almost 2 years agoCross-platform build automation system
FlubuCore909over 2 years agoA cross platform build and deployment automation system for building projects and executing deployment scripts using C# code
ModularPipelines324almost 2 years agoWrite your pipelines in C#

Table of Contents / Business Intelligence

FastReport2,740almost 2 years agoThe open source report generator for .NET Core 2.x/.Net Framework 4.x. FastReport can be used in ASP.NET MVC, Web API applications
NReco PivotDatain-memory data aggregation/OLAP library, pivot tables generation (render to HTML, exports), ASP.NET pivot builder control

Table of Contents / Caching

CacheCow857over 2 years agoAn ASP.NET Web API HTTP caching implementation both on client and server
Akavache2,459almost 2 years agoAn asynchronous, persistent key-value store
EasyCaching1,976almost 2 years agoA caching library that contains basic and some advanced usages of caching which can help handle caching more easier!
CacheManager2,350about 2 years agoA common interface and abstraction layer for caching
FastCache138almost 2 years ago10X faster alternative to for .NET
Foundatio1,992almost 2 years agoA common interface with in memory, Redis and hybrid implementations
Cashew83over 6 years agoa .NET library for caching responses easily with an through an API that is simple and elegant yet powerful
Cache Tower614almost 2 years agoAn efficient multi-layered caching system for .NET (In-Memory, Redis, Database, File etc)
FusionCache1,976almost 2 years agoAn easy to use, high performance and robust cache with an optional distributed 2nd layer and some advanced features, like a fail-safe mechanism and advanced timeouts management
LazyCache1,722over 2 years agoA simple, developer friendly, in-memory thread-safe caching service. It leverages Microsoft.Extensions.Caching and Lazy to provide performance and reliability in heavy load scenarios
BitFaster.Caching487almost 2 years agoThread-safe in-memory caches optimized for very high concurrent throughput, near optimal hit rate and low latency

Table of Contents / Calendar

iCal.NET799almost 2 years agoiCal.NET is an iCalendar (RFC 5545) class library for .NET aimed at providing RFC 5545 compliance, while providing full compatibility with popular calendaring applications and libraries

Chat

Stream64about 2 years agoOfficial .NET API client for Stream Chat, a service for building chat applications

Chat / CLI

Appccelerate - Command Line ParserA command-line parser with fluent definition syntax, different argument types, required and optional arguments, value restrictions, aliases, type conversion and semi-automatic usage help message composition
Argu460almost 2 years agoDeclarative CLI argument & XML configuration parser for F# applications
CliFx1,514almost 2 years agoDeclarative framework for building command line interfaces
Typin244almost 4 years agoSimple to use declarative framework for interactive CLI applications and command line tools (direct mode) that has its roots in CliFx
clipr89over 7 years agoA CLI library inspired by Python's argparse that transforms a command line into a strongly-typed object. It supports custom argument types, automated (and localized) help generation, and a variety of ways to store parsed arguments
CliWrap4,446almost 2 years agoWrapper for command line interfaces
Colorful.Console1,312over 2 years agoColorful console output
CommandDotNet582almost 2 years agoModel your console app using C# in a composable manner. Define commands with methods. Define subcommands with properties or nested classes. Extensible parsing and command execution
Command Line Parser4,601over 2 years agoThe Command Line Parser Library offers to CLR applications a clean and concise API for manipulating command-line arguments and related tasks
CommandLineUtils2,218almost 2 years agoThis is a fork of Microsoft.Extensions.CommandLineUtils, which is no longer under active development
CsConsoleFormat367about 4 years ago.NET C# library for advanced formatting of console output
Docopt356about 2 years agoCommand-line interface description language that will make you smile
EntryPoint137about 7 years agoComposable CLI Argument Parser for .NET Core & .NET Framework 4.5+
Fluent Command Line Parser533about 7 years agoA simple, strongly typed .NET C# command-line parser library using a fluent easy to use interface
JustCli29over 5 years agoThat’s just a quick way to create your own command line tool
Gui.cs9,778almost 2 years agoTerminal UI toolkit for .NET
Power Args569almost 2 years agoPowerArgs converts command-line arguments into .NET objects that are easy to program against. It also provides a ton of optional capabilities such as argument validation, auto generated usage, tab completion, and plenty of extensibility
ReadLine810about 5 years agoA GNU-Readline like library for .NET/.NET Core
RunInfoBuilder43over 7 years agoA unique command line parser, utilizing object trees for commands
SharpNetSH75about 3 years agoA simple netsh library for C#
spectre.console9,591almost 2 years agoA library that makes it easier to create beautiful console applications

Chat / CLR

Runtime15,518almost 2 years agoMono and CoreCLR .NET runtimes, as well as the standard library and some higher level components like and

Chat / CMS

FluentCMS290almost 2 years agoFluentCMS is open source AI Driven ASP.NET Core Blazor Content Management System (CMS)
Composite C1250almost 2 years agoA web CMS that focus on UX and adaptability
mojoPortal200almost 2 years agoMojoPortal is an extensible, cross database, mobile friendly, web content management system (CMS) and web application framework written in C# ASP.NET
N2CMS364over 4 years agoOpen source, lightweight, code-first CMS able to seamlessly integrate into any MVC project
Orchard2,380almost 2 years agoFree, open source, community-focused project aimed at delivering applications and reusable components on the ASP.NET platform
Piranha CMS2,038almost 2 years agoPiranha is the fun, fast and lightweight .NET framework for developing cms-based web applications with an extra bite. It's built on ASP.NET MVC and Web Pages and is fully compatible with both Visual Studio and WebMatrix
Umbraco4,555almost 2 years agoUmbraco is a free open source Content Management System built on the ASP.NET platform
DotNetNukeDNN Platform is our free, open source web CMS and the foundation of every professional DNN solution. Over 750,000 organizations worldwide have built websites powered by the DNN Platform
BlogEngine.NET963about 3 years agoSimple but full featured ASP.NET blog
Squidex2,285almost 2 years agoOpen source headless CMS and content management hub
fluent-cms115almost 2 years agoRESTful CRUD (Create, Read, Update, Delete) APIs, Admin Panel web pages,a GraphQL-style query designer and a WYSIWYG web page designer, all fully configurable without writing code

Chat / Code Analysis and Metrics

.NET Compiler Platform ("Roslyn") Analyzers1,598almost 2 years agoA number of Roslyn diagnostic analyzers initially developed to help flesh out the design and implementation of the static analysis APIs
PVS-StudioPVS-Studio is a static analyzer on guard of code quality, security (SAST), and code safety
NDependis a Visual Studio and VS Team Services extension that estimates your .NET code quality and Technical-Debt, that lets create code rules with C# LINQ syntax, visualize code structure and focus on changes and evolution
App.Metrics2,221over 2 years agoApp Metrics is an open-source and cross-platform .NET library used to record and report metrics within an application and reports it's health. See the for me details
CodeMaidVisual studio extension to cleanup, dig through and simplify C#, C++, F#, VB, PHP, JSON, XAML, XML, ASP, HTML, CSS, LESS, SCSS, JavaScript and TypeScript coding
StyleCopStyleCop analyzes C# source code to enforce a set of style and consistency rules
Gendarme78over 15 years agoExtensible rule-based tool to find problems in .NET applications and libraries
Metrics-Net640over 7 years agoCapturing CLR and application-level metrics. So you know what's going on
AspNet.Metrics9over 9 years agoCapturing CLR, application-level web request metrics. Middleware and extensions using Metrics-Net
BenchmarkDotNet10,654almost 2 years agoPowerful .NET library for benchmarking
BencherSuite of continuous benchmarking tools designed to catch performance regressions in CI
CodinionEnhanced syntax highlighting for C# and some other "Visual" features
NsDepCop200about 2 years agoStatic code analysis tool to enforce namespace dependency rules in C# projects
WebBen11over 2 years agoIs a tool for benchmarking your Hypertext Transfer Protocol (HTTP) server

Chat / Code Snippets

.NET FiddleWrite, compile and run C#, F# and VB code in the browser. The .Net equivalent of JSFiddle
SharplabRun C# code using different branches and versions of Roslyn, see the IL that was produced and examine the JIT's output
Entity Framework PlaygroundExamine the generated SQL for migrations and queries by writing and queries using it in the browser. Learn by example, compare different versions of Entity Framework and providers such as MS SQL, PostgreSql and Sqlite

Chat / Compilers, Transpilers and Languages

ClojureCLR1,570almost 2 years agoA port of Clojure to the CLR, part of the Clojure project
F#2,168almost 4 years agoThe F# compiler, core library and tools - a functional programming language for safer, faster, better code writing
HybridizerCIL (C#, VB.Net, F#) to CUDA compiler
IronScheme384almost 2 years agoR6RS Scheme compiler, runtime and many standard libraries
JSIL1,733over 8 years agoCIL to JavaScript Compiler
Mond369almost 2 years agoA dynamically typed scripting language written in C# with a REPL, debugger, and simple embedding API
Mono-basic109over 5 years agoVisual Basic Compiler and Runtime
Nemerle622about 4 years agoNemerle is a high-level statically-typed programming language for the .NET platform. It offers functional, object-oriented and imperative features. It has a simple C#-like syntax and a powerful meta-programming system
Netjs965almost 7 years ago.NET to TypeScript and JavaScript compiler. Portable Class Libraries work great for this. You can even pass EXEs
P3,051almost 2 years agoP is a language for asynchronous event-driven programming
PeachPie2,381almost 2 years agoPeachPie is a PHP compiler and runtime for .NET and .NET Core, which allows entire PHP applications to run on the modern, secure and performant .NET and .NET Core platforms
Roslyn19,145almost 2 years agoThe .NET Compiler Platform ("Roslyn") provides open-source C# and Visual Basic compilers with rich code analysis APIs. It enables building code analysis tools with the same APIs that are used by Visual Studio
Testura.Code297over 2 years agoWrapper around the Roslyn API and used for generation, saving and compiling C# code. It provides methods and helpers to generate classes, methods, statements and expressions
VisualFSharp3,948almost 2 years agoThe Visual F# compiler and tools
Fable2,928almost 2 years agoF# to JavaScript Compiler
LinqOptimizer477almost 7 years agoAn automatic query optimizer-compiler for Sequential and Parallel LINQ
Roslyn-linq-rewrite716over 6 years agoCompiles C# code by first rewriting the syntax trees of LINQ expressions using plain procedural code, minimizing allocations and dynamic dispatch
Iron python1,075over 2 years agoA python 2 implementation that is integrated with the dot net framework
Amplifier.NET177almost 4 years agoWrite and compile your own kernel function using C# and Amplifier will take care of running it on your favorite hardware. Amplifier allows .NET developers to easily run complex applications with intensive mathematical computation on Intel CPU/GPU, NVIDIA, AMD without writing any additional C kernel code
IKVMA Java Virtual Machine and Bytecode-to-IL Converter for .NET. Execute compiled Java code (bytecode) on .NET Framework or .NET Core
Lib.Harmony5,351almost 2 years agoRewrite mono and C# methods at the runtime, Either write a method that will be executed, or edit the code of the method in IL, mainly used for game modding
dotnet-repl746over 2 years agoC# REPL (read-eval-print loop)

Chat / Compression

SharpCompress2,298almost 2 years agoSharpCompress is a compression library for .NET/Mono/Silverlight/WP7 that can unrar, un7zip, unzip, untar unbzip2 and ungzip with forward-only reading and file random access APIs. Write support for zip/tar/bzip2/gzip are implemented
DotNetZip.Semverd549over 2 years agoAn open-source project that delivers a .NET library for handling ZIP files, and some associated tools. (fork of )
SharpZipLiba Zip, GZip, Tar and BZip2 library written entirely in C# for the .NET platform
Snappy for WindowsSnappy compression library for .NET baked on P/Invoke
Snappy.Sharp144over 9 years agoAn implementation of Google's Snappy compression algorithm in C#

Chat / Configuration

AgileConfig1,520almost 2 years agoAgileConfig is a lightweight configuration center that helps you manage all your application's configurations through website

Chat / Continuous Integration

TeamCityReady to work, extensible and developer-friendly build server — out of the box
MyGetContinuous Integration and Deployment, Hosted Package Repository for NuGet, NPM, Bower and VSIX
AppVeyor.NET Continuous Integration and Deployment as a service

Chat / Cryptography

BouncyCastleTogether with the .Net System.Security.Cryptography, the reference implementation for cryptographic algorithms on the CLR
HashLibHashLib is a collection of nearly all hash algorithms you've ever seen, it supports almost everything and is very easy to use
libsodium-netlibsodium for .NET - A secure cryptographic library
NaCl.Core72about 2 years agoA managed-only cryptography library for .NET which provides modern cryptographic primitives
Paseto.Core105almost 2 years agoA Paseto (Platform-Agnostic Security Tokens) implementation for .NET
Pkcs11Interop264almost 2 years agoManaged .NET wrapper for unmanaged PKCS#11 libraries that provide access to the cryptographic hardware
StreamCryptor131over 9 years agoStream encryption & decryption with libsodium and protobuf
SecurityDriven.Inferno582almost 2 years ago.NET crypto library. Professionally audited
CryptoNet104almost 2 years ago.NET simple crypto library. Native c#

Chat / Cloud Storage

Foundatio1,992almost 2 years agoCloud Storage library with AWS, Azure and many other providers supported
FluentStorage302almost 2 years agoA polycloud .NET cloud storage abstraction layer originally known as Storage.Net. Provides a generic interface for Blob storage (AWS S3, GCP, FTP, SFTP, Azure Blob/File/Event Hub/Data Lake) and Messaging (AWS SQS, Azure Queue/ServiceBus)
Stowage169almost 2 years agoBloat-free zero dependency .NET cloud storage kit that supports at minimum THE major cloud providers
Cloud Storage68about 2 years ago:- This library provides a universal interface for accessing and manipulating data in different cloud blob storage providers (Azure Storage, AWS S3, Google Cloud Storage. It makes it easy to switch between providers or to use multiple providers simultaneously, without having to learn and use multiple APIs

Chat / Database

SliccDB134over 3 years agoLightweight Embedded (In-Memory) Graph Database for .net
RocksDB167almost 2 years agoC# binding for Facebook's RocksDB Key-Value store + native builds for Windows, macOS and Linux
BrightstarDb458over 3 years agoBrightstarDB is a native .NET RDF triple store
DBreeze533almost 2 years agoDBreeze Database is an open-source embedded Key-Value store
Event Store5,336almost 2 years agoThe open-source, functional database with Complex Event Processing in JavaScript
LiteDB8,678almost 2 years agoA .NET NoSQL Document Store in a single data file -
RavenDB3,619almost 2 years agoA LINQ-enabled document database for .NET
Marten2,886almost 2 years agoPostgreSQL as a document database and event store for .NET applications
Realm Xamarin1,259about 2 years agoA fast, easy-to-use alternative to SQLite & ORMs -
Streamstone395over 2 years agoEvent store for Azure Table Storage
StringDB71over 3 years agoStringDB is a modular, key/value pair archival DB designed to consume tiny amounts of ram & produce tiny databases
Ignite4,834almost 2 years agoDistributed in-memory platform: document database with SQL and LINQ support; distributed computations; distributed services and events
Yessql1,230almost 2 years agoA .NET document database working on any RDBMS
JsonFlatFileDataStore445almost 2 years agoSimple JSON flat file data store with support for typed and dynamic data
Db4o-gpl30over 3 years agoObject-oriented database, embedded and remote connections supported
ZoneTree378almost 2 years agoPersistent, high-performance, transactional, and ACID-compliant ordered key-value database for .NET

Chat / Database Drivers

DuckDB.NET458almost 2 years ago.NET data provider for DuckDB
MySQL ConnectorConnector/Net is a fully-managed ADO.NET driver for MySQL
Npgsql3,354almost 2 years ago.NET data provider for PostgreSQL
MongoDB3,155almost 2 years agoOfficial MongoDB C# driver
RethinkDb.Driver384almost 6 years agoA RethinkDB database driver in C# striving for 100% ReQL API compatibility and completeness
ServiceStack Redis2,289over 4 years ago.NET's leading C# Redis client
StackExchange Redis5,930almost 2 years agoGeneral purpose Redis client from StackExchange
Cassandra641almost 2 years agoDataStax .NET driver for Apache Cassandra
Couchbase276almost 2 years agoOfficial Couchbase .NET client library, based on the Enyim memcached client
Firebird.NETThe .NET Data provider is written in C# and provides a high-performance, native implementation of the Firebird API

Chat / Datetime

NodaTime2,810almost 2 years agoNoda Time is an alternative date and time API for .NET. It helps you to think about your data more clearly, and express operations on that data more precisely
DateTimeExtensions800almost 2 years agoCommon Date Time operations on the form of extensions to , including holidays and working days calculations on several culture locales
Exceptionless.DateTimeExtensions240about 2 years agoDateTimeRange, Business Day and various , , extension methods

Chat / Decompilation

dnSpy26,802almost 6 years agoopen-source .NET assembly browser, editor, decompiler and debugger
dnSpyEx7,104almost 2 years agoUnofficial revival of dnSpy
ILSpyILSpy is the open-source .NET assembly browser and decompiler
JustDecompile EngineThe decompilation engine of
dotPeekFree-of-charge standalone tool based on ReSharper's bundled decompiler. It can reliably decompile any .NET assembly into equivalent C# or IL code. It can create Visual Studio solutions based on the original binary files in a straight-forward way

Chat / Deployment

Unfold135almost 10 years agoPowerShell-based deployment solution for .NET web applications
DbUp2,367almost 2 years ago.NET library that helps you to deploy changes to SQL Server databases. It tracks which SQL scripts have been run already, and runs the change scripts that are needed to get your database up to date
Octo Pack182about 6 years agoUsed to build NuGet packages of your application for deployment using tools such as Octopus Deploy
yuniql416about 2 years agoFree and open source schema versioning and migration tool made with .NET Core. Run migrations with plain SQL, arrange versions in ordinary folders and seed your data from CSV via stand-alone CLI (no CLR needed), Azure Pipelines, Docker or ASP.NET Core code

Chat / DirectX

Vortice.Windows1,024almost 2 years agoCross platform .NET standard libraries for DirectX, WIC, Direct2D1, XInput, XAudio and X3DAudio

Chat / Distributed Computing

.NEXT Raft1,659almost 2 years agoRaft implementation for .NET and ASP.NET Core that allows to build clustered microservices powered by distributed consensus and replication
Orleans10,167almost 2 years agoOrleans is a framework that provides a straight-forward approach to building distributed high-scale computing applications, without the need to learn and apply complex concurrency or other scaling patterns. It was created by Microsoft Research
Orleankka495over 2 years agoOrleankka is a functional API for Microsoft Orleans framework. It is highly suitable for scenarios where having composable, uniform communication interface is preferable, such as: CQRS, event-sourcing, re-routing, FSM, etc. Additional API available for F# called Orleankka.FSharp
Akka.net4,737almost 2 years agoAkka.NET is a port of the popular Java/Scala framework Akka to .NET. This is a community-driven port and is not affiliated with Typesafe who makes the original Java/Scala version
Zebus305almost 3 years agoZebus is a lightweight, highly versatile, peer-to-peer service bus, built with CQRS principles in mind. It allows applications to communicate with each other in a fast and easy manner. Most of the complexity is hidden in the library and you can focus on writing code that matters to you, not debugging messaging code. A very fundamental base for any distributed application
FsShelter1almost 8 years agoF# library for authoring components and topologies. Offering high-level abstractions for distributed and fault-tolerant event stream processing
MBraceIntegrated Data Scripting for the Cloud
protoactor-dotnet1,742almost 2 years agoProto Actor - Ultra fast distributed actors for Golang and C#

Chat / DLR

cmd357over 6 years agoC# library to run external programs in a simpler way. Demonstration of "dynamic" features of C#

Chat / Documentation

Sandcastle2,203almost 2 years agoSandcastle Help File Builder similar to NDoc
SourceBrowser1,086almost 2 years agoSource browser website generator that powers
Swashbuckle3,071over 4 years agoSeamlessly adds a Swagger to Web API projects
F# FormattingTools for documenting F# and C# projects from F# script files, Markdown documents and inline XML or Markdown comments
DocFX4,096almost 2 years agoTools for building and publishing API documentation for .NET projects
DocNet250almost 3 years agoYour friendly static documentation generator, using markdown files to build the content

Chat / E-Commerce and Payments

NopCommerce9,367almost 2 years agonopCommerce. Free open-source e-commerce shopping cart (ASP.NET Core)
ServiceStack.Stripe194over 4 years agoTyped .NET clients for stripe.com REST APIs
SmartStoreNET1,238almost 2 years agoFree ASP.NET Core MVC e-commerce Shopping Cart Solution
Stripe.Net1,374almost 2 years agoStripe.net is a full service .NET API for
Virto Commerce1,237almost 2 years agoVirto Commerce is the second generation release and is the only enterprise level e-commerce product fully available under Open Source license. Virto Commerce is based on .NET 4.5 with extensive use of MVC, IoC, EF, Azure, AngularJS and many other cutting edge technologies. It can be deployed in Microsoft Cloud (Azure), Amazon Web Services (AWS) and on-premise
SimplCommerce4,232about 2 years agoSuper simple ecommerce system built on .NET Core. Simple to use and easy to customize. Thanks to .NET Core, you can run the SimplCommerce on Windows, Linux. With various RDBMS: Microsoft SQL Server, PostgreSQL, MySQL
GrandNode1,116almost 2 years agoHeadless, multi-vendor, multi-tenant, the most advanced open source e-commerce platform based on .NET Core 5.0 and MongoDB
Adyen109almost 2 years agoThe official Adyen Payment API Library for .NET

Chat / Emulators

Blzhawk2,219almost 2 years agoBizHawk is a multi-system emulator written in C#. BizHawk provides nice features for casual gamers such as full screen, and joypad support in addition to full rerecording and debugging tools for all system cores
RyujinxExperimental Nintendo Switch Emulator written in C#

Chat / Environment Management

Dotnet CLI3,487over 3 years agoThe cross-platform .NET Core command-line toolchain utility

Chat / ETL

Cinchoo ETL806almost 2 years agoETL Framework for .NET (Read / Write CSV, Flat, Xml, JSON, Key-Value formatted files)
Reactive ETLReactive ETL is a rewrite of Rhino ETL using the reactive extensions for .NET

Chat / Event aggregator and messenger

Mediator.Net373over 2 years agoA simple mediator for .NET for sending command, publishing event and request response with pipelines supported
MediatR11,242almost 2 years agoSimple, unambitious mediator implementation in .NET
Rx Event AggregatorSuper-simple Reactive-Extension code from Reactive.EventAggregator
TinyMessenger285over 8 years agoA lightweight event aggregator/messenger for loosely coupled communication
Xer.Cqrs101over 8 years agoA simple library for creating applications based on the CQRS pattern with support for attribute routing and hosted handlers. Developed in C# targeting .NET Standard 1.0
FluentMediator194over 6 years agoFluentMediator is an unobtrusive library that allows developers to build custom pipelines for Commands, Queries and Events
EventFlow2,394almost 2 years agoEventFlow is an Async/await first CQRS and Event Sourcing DDD framework for .NET

Chat / Exceptions

Exceptionless560almost 2 years agoExceptionless .NET Client

Chat / Extensions

ExtensionMethods.NetSite with collection of extension methods
Z.ExtensionMethods1,601over 2 years agoOver a 1000 useful extension methods

Chat / Feature management

Microsoft.FeatureManagement1,062almost 2 years agoThis library provides a way to develop and expose application functionality based on feature flags. It enables scenarios like new feature rollouts and A/B testing for experimentation purposes. It also provides integration with common .NET coding patterns and ASP.NET Core

Chat / Functional programming

Curryfy69about 3 years agoProvides strongly typed extensions methods for C# delegates to take advantages of functional programming techniques, like currying and partial application
language-ext6,553almost 2 years agoThis library uses and abuses the features of C# 6+ to provide a functional 'Base class library', that, if you squint, can look like extensions to the language itself. It also includes an 'Erlang like' process system (actors) that can optionally persist messages and state to Redis (note you can use it without Redis for in-app messaging). The process system additionally supports Rx streams of messages and state allowing for a complete system of reactive events and message dispatch
Optional905about 3 years agoA robust option type for C#
JFlepp.Maybe4over 6 years agoA Maybe type for C#, aimed as an idiomatic port of the option type in F# to C#
Optuple29about 7 years ago.NET Standard Library for giving Option-like semantics in a non-obtrusive way; this is, there is no new option type dependency for a library or its users
MoreLinq3,706about 2 years agoProvides extra methods to LINQ to Objects

Chat / Game

MonoGame11,642almost 2 years agoOne framework for creating powerful cross-platform games
FNA2,661almost 2 years agoFNA is an XNA4 reimplementation that focuses solely on developing a fully accurate XNA4 runtime for the desktop
CocosSharp493over 6 years agoCocosSharp is a C# implementation of the Cocos2D and Cocos3D APIs that runs on any platform where MonoGame runs
Duality1,411about 2 years agoDuality is a 2D game development framework. Focused on modularity, comes with a visual editor
Stride Game EngineStride Game Engine is a 2D/3D cross-platform game engine featuring a scene editor, particles, physically based rendering (PBR), scripting, and much more
Wave EngineWave engine is a free C# component-based modern game engine which allows you to create cross-platform games supporting Kinect, Oculus Rift, Vuforia, Cardboard, Leap Motion and much more
UrhoSharp464over 4 years agoUrhoSharp is a C# implementation of the Urho3D game engine that runs on iOS, Mac, Windows, Android and Linux systems
Nez1,831almost 2 years agoNez is a free 2D-focused framework that works with MonoGame and FNA
BEPUphysics2,417almost 2 years agoBEPUphysics is a pure C# 3D physics library
Devtodev7about 2 years agoA full-cycle analytics solution for game developers
UnrealCLR3,155over 3 years agoUnreal Engine .NET Core integration
osu!framework1,677almost 2 years agoA 2D application/game written with amazing games in mind
DotRecast585almost 2 years agoA port of Recast & Detour, navigation mesh toolset for games, Unity3D, servers, C#
Foster469almost 2 years agoFoster is a small cross-platform 2D game framework in C#
Friflo.Engine.ECS168almost 2 years agoHigh-performance C# ECS with simple API. Supports .NET, WASM/WebAssembly, Native AOT, Unity, Godot, MonoGame,

Chat / GIS

NetTopologySuite1,473about 2 years agoA .NET GIS solution that is fast and reliable for the .NET platform
SharpMapAn easy-to-use mapping library for use in web and desktop applications
OsmSharpC# library to work with OpenStreetMap (OSM) data. Provides reading, writing and route-planning for OSM data
GeoJSON4EntityFramework19over 9 years agoA library to create GeoJSON from Entity Framework Spatial Data or Well-Known Text (WKT) inputs
GeoJSON.NET447about 2 years ago.Net library for GeoJSON types & corresponding Json.Net (de)serializers
CoordinateSharp367almost 2 years agoEasily parse or convert coordinate formats and calculate location based solar/lunar information
DEM Net Elevation API306almost 2 years ago.Net library for Digital Elevation Models, allows 3D terrain generation in glTF / STL format

Chat / Git Tools

Husky.Net714almost 2 years agoGit hooks made easy with Husky.Net internal task runner, You can use it to lint your commit messages, run tests, lint code, etc... when you commit or push. supports C# scripts, gitflow hooks, Multiple file states (staged, lastCommit, glob)
Bonobo Git Server1,811over 2 years agoBonobo Git Server for Windows is a web application you can install on your IIS and easily manage and connect to your Git repositories
GitExtensions7,823almost 2 years agoGitExtensions is a shell extension, a Visual Studio 2008/2010/2012/2013 plugin and a standalone Git repository tool
GitLink554over 3 years agolet's users step through their code hosted on GitHub or BitBucket
GitVersion2,889almost 2 years agoGenerate a Semantic Version Number based on the state of your Git repository
LibGit2Sharp3,223almost 2 years agoLibGit2Sharp brings all the might and speed of libgit2, a native Git implementation, to the managed world of .NET and Mono
GitRead.Net19over 8 years agoGitRead.Net is a .NET Standard library which allows you to very easily interrogate a Git repository that you have on disk. It allows you to enumerate the commit log, count lines per file and list files changed by a commit
NGit261over 6 years agoNGit is a port of JGit to C#
posh-git7,743about 2 years agoA PowerShell environment for Git
RepoZ1,026over 2 years agoA Git repository information aggregator with Windows Explorer & CLI-enhancements
Git Credential Manager for Windows2,871almost 5 years agoHelps solving issues of credentials, made by Microsoft

Chat / Graphics

LibTessDotNet317over 4 years ago.NET port of the famous GLU Tessellator, triangulates polygons
OxyplotOxyPlot is a cross-platform plotting library for .NET
OpenTK3,265almost 2 years agoThe Open Toolkit is an advanced, low-level C# library that wraps OpenGL, OpenCL and OpenAL
NGraphics711over 2 years agoNGraphics is a cross-platform library for rendering vector graphics on .NET
Aspose.DrawingFully managed, cross-platform, complete 2D graphic library for drawing text, geometries, and images, with System.Drawing compatible API
ScottPlotA plotting library to interactively displays large datasets. Line plots, bar charts, pie graphs, scatter plots, and more. It supports WinForms, WPF, Avalonia, Console
LiveCharts24,436almost 2 years agoSimple, flexible, interactive & powerful charts, maps, and gauges for .Net. LiveCharts2 supports WPF, WinForms, Xamarin, Avalonia, WinUI, UWP
Helix ToolkitHelix Toolkit is a collection of 3D components for .NET
AssimpNetA cross-platform .NET Standard wrapper for the Open Asset Importer ("Assimp"). The library enables importing, processing, and exporting of 3D models for rendering in graphics/game applications. Over 40 formats are supported for importing (e.g. OBJ, FBX, GLTF, 3DS, Collada) and a subset of those formats can be exported to (e.g. OBJ, GLTF, 3DS, Collada). Mesh processing features allow for mesh data to be generated or optimized for real-time rendering
Silk.NET4,224almost 2 years agoA cross-platform, high-performance, low-level .NET Standard wrapper for many advanced APIs such as OpenGL, OpenCL, OpenAL, OpenXR, Assimp, GLFW, as well as many others. In addition to wrapping over Native APIs, it also comes with its own Windowing and Input abstraction. This makes game and application development with Silk.NET a breeze, and has pretty much everything a 3D application developer would need
Veldrid2,502over 2 years agoA low-level, portable graphics and compute library for .NET
RealTimeGraphX216almost 4 years agoRealTimeGraphX is a data type agnostic, high performance plotting library for WPF, UWP and soon, Xamarin Forms
VectSharp245almost 2 years ago.NET library to create vector graphics and text, and then export it to PDF, SVG and raster image formats

Chat / GraphQL

GraphQL.NET5,886almost 2 years agoImplementation of in .Net
HotChocolate5,284almost 2 years agoGraphQL server compatible to all GraphQL compliant clients like Strawberry Shake, Relay, Apollo Client, and various other clients and tools
graphql-net892over 4 years agoGraphQL to IQueryable for .NET
EntityGraphQL421almost 2 years agolibrary to build a GraphQL API on top of data model with the extensibility to easily bring multiple data sources together in the single GraphQL schema (EF is not a requirement - any ORM working with LinqProvider or an in-memory object will work)
ZeroQL280almost 2 years agohigh-performance C#-friendly GraphQL client. It supports Linq-like syntax. It doesn't require Reflection.Emit or expressions. As a result, the runtime provides performance very close to a raw HTTP call

Chat / GUI

HandyControl6,208almost 2 years agoContains some simple and commonly used WPF controls
Lara154about 3 years agoLara Web Engine is a library for developing Web user interfaces in C#
QtSharp576about 7 years agoMono/.NET Bindings for Qt
Qml.Net1,381almost 4 years agoA cross-platform Qml/.NET integration for Mono/.NET/.NET Core
MahApps.Metro9,353almost 2 years agoToolkit for creating Metro-styled WPF apps
Callisto337about 11 years agoA control toolkit for Windows 8 XAML applications. Contains some UI controls to make it easier to create Windows UI style apps for the Windows Store in accordance with Windows UI guidelines
ObjectListViewObjectListView is a C# wrapper around a .NET ListView. It makes the ListView much easier to use and teaches it some new tricks
DockPanelSuiteThe Visual Studio inspired docking library for .NET WinForms
AvalonEdit1,874over 2 years agoThe WPF-based text editor component used in SharpDevelop
XWT1,365over 3 years agoA cross-platform UI toolkit for creating desktop applications with .NET and Mono
Gtk#430over 3 years agoGtk# is a Mono/.NET binding to the cross platform Gtk+ GUI toolkit and the foundation of most GUI apps built with Mono
MaterialDesignInXamlToolkitToolkit for creating Material Design styled WPF apps
Eto.Forms3,691almost 2 years agoCross-platform GUI framework for desktop and mobile applications in .NET and Mono
Dragablz2,225over 2 years agoDragable, tearable WPF tab control (similar to Chrome) which supports layouts and is full themeable, including themese compatible with MahApps and Material Design
Fluent.Ribbon2,571almost 2 years agoFluent Ribbon Control Suite is a library that implements an Office- and Windows 8-like Ribbon for WPF
Office Ribbon772about 2 years agoA library that implements MS Office Ribbon for WinForms
MaterialSkin2,917about 2 years agoTheming .NET WinForms, C# or VB.Net, to Google's Material Design principles
Xamarin.Forms5,617over 2 years agoBuild native UIs for iOS, Android and Windows from a single, shared C# codebase
SciterSharp107about 2 years agoCreate .NET cross-platform desktop apps using not just HTML, but all features of Sciter engine: CSS3, SVG, scripting, AJAX, <video>... Sciter is free for commercial use
Empty Keys UIMulti-platform and multi-engine XAML based user interface library
UWP Community Toolkit5,910almost 2 years agoThe UWP Community Toolkit is a collection of helper functions, custom controls, and app services. It simplifies and demonstrates common developer tasks building UWP apps for Windows 10
ScintillaNET968almost 3 years agoWindows Forms control for the Scintilla text editor component (Scintilla is used by Notepad++)
FastColoredTextBox1,229almost 3 years agoFast Colored TextBox is text editor component for .NET. Allows you to create custom text editor with syntax highlighting. It works well with small, medium, large and very-very large files
Avalonia26,275almost 2 years agoA multi-platform .NET UI framework (formerly known as Perspex)
Modern UI for WPF - MUI2,594about 5 years agoSet of controls and styles to convert WPF applications into a great looking Modern UI apps
WinApi827almost 4 years agoA simple, direct, ultra-thin CLR library for high-performance Win32 Native Interop with automation, windowing, DirectX, OpenGL and Skia helpers
Neutronium1,346over 3 years agoBuild .NET desktop applications using HTML, CSS, javascript and MVVM bindings such as with WPF
Ooui1,622almost 4 years agoA small cross-platform UI library that brings the simplicity of native UI development to the web
AdonisUI1,755almost 4 years agoLightweight UI toolkit for WPF applications offering classic but enhanced Windows visuals
Windows UI Library6,404almost 2 years agoThe Windows UI Library (WinUI) provides official native Microsoft UI controls and features for Windows UWP apps
Bunifu UI FrameworkCarefully crafted Winforms controls and components for creating stunning modern application UI
Ookii.Dialogs.Wpf1,180almost 2 years agoEnable WPF applications to access common Windows dialogs such as task dialogs, credential dialog, progress dialog, folder browser dialog, and more
Ookii.Dialogs.WinForms620almost 2 years agoEnable Windows Forms applications to access common Windows dialogs such as task dialogs, credential dialog, progress dialog, folder browser dialog, and more
UNO PlatformThe only platform for building native mobile, desktop and WebAssembly with C#, XAML from a single codebase. Open source and professionally supported. Website:

Chat / HTML and CSS

AngleSharp5,197almost 2 years agoComplete HTML5 DOM and CSS3 OM construction
dotless693about 2 years ago.NET port of the Ruby Less CSS lib
ExCSS341almost 2 years agoCSS3 parser library for C#
HtmlAgilityPackan agile HTML parser that builds a read/write DOM and supports plain XPath or XSLT
LibSass Host85almost 2 years ago.NET wrapper around the library with the ability to support a virtual file system
LtGt119about 3 years agolightweight HTML processor, can be used to parse and navigate DOM, handles CSS selectors, can convert to Linq2Xml, easily extensible, and more

Chat / HTTP

Tiny.RestClient210almost 2 years agoSimpliest Fluent REST client for .NET
Http.fs320about 3 years agoA functional HTTP client for F#
RestSharp9,639almost 2 years agoSimple REST and HTTP API client for .NET
FlurlFluent, portable, testable REST/HTTP client library
EasyHttp985over 5 years agoHTTP library for C#
Refit8,690almost 2 years agoThe automatic type-safe REST library for Xamarin and .NET
RestEase1,089almost 3 years agoEasy-to-use typesafe REST API client library, which is simple and customisable. Heavily inspired by Refit
RestLess111almost 4 years agoThe automatic type-safe-reflectionless REST API client library for .Net Standard
HttpClientGoodies66over 3 years agoutilities for working with
WebApiClient2,062almost 2 years agoAn open source project based on the HttpClient. You only need to define the c# interface and modify the related features to invoke the client library of the remote http interface asynchronously
Apizr142almost 2 years agoRefit based web api client, but resilient (retry, connectivity, cache, auth, log, priority, etc...)
Fluxzy.Core135almost 2 years agoA fully managed and fully streamed Man-On-The-Middle library to intercept, record and alter HTTP/1.1, H2, websocket traffic over plain or secure channels

Chat / IDE

AvalonStudio1,626over 2 years agoAn extensible, cross platform IDE written in C# for Embedded C/C++, .NET Core, Avalonia and Typescript
SharpDevelop2,091about 6 years agoA free IDE for .NET programming languages
MonoDevelop2,845almost 5 years agoMonoDevelop is a cross-platform IDE mostly aimed at Mono/.NET developers
Visual Studio ExpressThe free lightweight version of Visual Studio for .NET programming
Visual Studio CommunityA full-featured IDE
Waf DotNetPadA simple and fast code editor that makes fun program with C# or Visual Basic
Visual Studio CodeExcellent open source editor from Microsoft, based on Electron
IonideAn Atom Editor and Visual Studio Code package suite for cross platform F# development
RiderA cross-platform C# IDE based on the IntelliJ platform and ReSharper
RoslynPad2,485almost 2 years agoA simple C# editor based on Roslyn and AvalonEdit
ConsuloA cross-platform IDE with C# & Java support, fork of IntelliJ IDEA Community Edition
vvvvA visual live-programming environment for .NET
CSharp Analyzer by MongoDB27almost 2 years agoA free Visual Studio Extension for MongoDB users, helping translate your code into MongoDB queries

Chat / Image Processing

ImageWizard69almost 2 years agoImage processing webservice based on ASP.NET Core and ImageSharp / SkiaSharp / SvgNet / DocNET
ImageResizerAdd commands to image URLs to get altered versions in milliseconds. Resizing, editing etc of images in real-time
ImageProcessor2,497about 3 years agoOpen-source .NET library to manipulate images on-the-fly
ImageSharp7,495almost 2 years agoFully managed cross-platform library for processing of image files
MagicScaler614almost 2 years agoHigh-performance image processing pipeline for .NET, focused on making complex imaging tasks simple
DynamicImageHigh-performance open-source image manipulation library for ASP.NET
MetadataExtractor953almost 2 years agoExtracts Exif, IPTC, XMP, ICC and other metadata from image files
Emgu CVCross-platform .NET wrapper for the OpenCV library
SimpleITKA simplified path to Insight. Open-source multi-dimensional image analysis in Python, R, Java, C#, Lua, Ruby, TCL and C++. Developed by the Insight Toolkit community for the biomedical sciences and beyond
DotImaging313almost 7 years agoMinimalistic .NET imaging portable platform
Magick.NET3,503almost 2 years ago.NET wrapper for the ImageMagick library
OpenCvSharp5,457almost 2 years agoCross platform wrapper of OpenCV for .NET Framework
PixelViewer279about 2 years agoCross-platform (Windows/macOS/Linux) image viewer which supports reading raw Luminance/YUV/RGB/ARGB/Bayer pixels data from file and rendering it. 10/16-bit YUV and viewing image frame sequence are also supported (v1.99+)
TeximpNetA cross-platform .NET Standard library for reading/manipulating/writing image files. The primary focus is to create 2D/3D/Cubemap textures for graphics/game applications, notably to convert images to GPU compressed formats and generate mipmaps. The library wraps the FreeImage native library to import/export over 30 common image formats, and wraps the Nvidia Texture Tools native library for GPU compression features. It also has a fully featured DDS format importer/exporter written in C#
Colourful278almost 2 years agoOpen source .NET library for working with color spaces
Imgix-CSharpEasily update image urls to be fast and responsive
ColorHelper69over 3 years agoUseful methods for work with colors
Unicolour58almost 2 years agoColour conversion, interpolation, and comparison for .NET

Chat / Install tools

Wix ToolsetThe most powerful set of tools available to create your Windows installation experience
Squirrel7,438about 2 years agoSquirrel is both a set of tools and a library, to completely manage both installation and updating your desktop Windows application
Chocolatey10,414almost 2 years agolike or , but for Windows
WaxAn interactive editor for WiX projects
Onova522almost 2 years agoAn unopinionated auto-update framework for desktop applications

Chat / Interactive programming

.NET Interactive2,931almost 2 years ago.NET Interactive takes the power of .NET and embeds it into your interactive experiences

Chat / Internationalization

i18n560over 3 years agoSmart internationalization for ASP.NET MVC
MessageFormat.NET162almost 2 years agoICU MessageFormat implementation in .NET lets you write contextual UI messages (PCL library)
ResX Resource Manager1,339almost 2 years agoThe most popular free tool to localize all kind of applications with resx-based resources

Chat / Interoperability

CppSharp3,153almost 2 years agoTools to surface C++ APIs to C#
Sharpen382almost 6 years agoSharpen is an Eclipse plugin created by db4o that allows you to convert your Java project into C#
CXXI199almost 6 years agoC++ interop framework
pythonnet4,818almost 2 years agoPython and .NET interop framework
PInvoke Interop Assistant434over 7 years agoConverts C to managed P/Invoke signatures or verse visa
pinvoke2,129about 3 years agoA library containing P/Invoke code for latest Windows OS
LegacyWrapper80over 4 years agoLegacyWrapper uses a wrapper process to call DLLs from a process of the opposing architecture (x86 or AMD64)
Pyrolite178over 2 years agoThis library allows your Java or .NET program to interface very easily with the Python world. It uses the Pyro protocol to call methods on remote objects

Chat / IoC

Castle Windsor1,519about 2 years agoCastle Windsor is best of breed, mature Inversion of Control container available for .NET and Silverlight
Unity1,664over 2 years agoLightweight extensible dependency injection container with support for constructor, property, and method call injection
Autofac4,519almost 2 years agoAn addictive .NET IoC container
DryIoc1,031almost 2 years agoSimple, fast all fully featured IoC container
Ninject2,678over 2 years agoThe ninja of .NET dependency injectors
Spring.Net858almost 2 years agoSpring.NET is an open source application framework that makes building enterprise .NET applications easier
LamarA fast IoC container heavily optimized for usage within ASP.NET Core and other .NET server side applications
LightInject626almost 2 years agoA ultra lightweight IoC container
Simple Injector1,220almost 2 years agoSimple Injector is an easy-to-use Dependency Injection (DI) library for .NET 4+ that supports Silverlight 4+, Windows Phone 8, Windows 8 including Universal apps and Mono
Microsoft.Extensions.DependencyInjection15,518almost 2 years agoThe default IoC container for NET applications
Scrutor3,691almost 2 years agoAssembly scanning extensions for Microsoft.Extensions.DependencyInjection
VS MEF441almost 2 years agoManaged Extensibility Framework (MEF) implementation used by Visual Studio
TinyIoC831almost 4 years agoAn easy to use, hassle free, Inversion of Control Container for small projects, libraries and beginners alike
Stashbox142almost 2 years agoA lightweight, portable dependency injection framework for .NET based solutions

Chat / JavaScript Engines

ClearScript1,793almost 2 years agoA library that makes it easy to add scripting to your .NET applications. It currently supports JavaScript (via V8 and JScript) and VBScript
Edge.js5,413almost 2 years agoRun .NET and Node.js code in-process on Windows, macOS, and Linux
Jint4,156almost 2 years agoJavaScript interpreter for .NET which provides full ECMA 5.1 compliance and can run on any .NET platform
Jurassic888almost 2 years agoA implementation of the ECMAScript language and runtime. It aims to provide the best performing and most standards-compliant implementation of JavaScript for .NET
YantraJS232almost 2 years agoJavaScript Runtime (Similar to NodeJS) for .NET Standard, compiles JavaScript to IL, support for many ES6 features, generators, CommonJS modules, CSX modules and expression compiler

Chat / Logging

Essential Diagnostics69almost 5 years agoExtends the inbuilt features of System.Diagnostics namespace to provide flexible logging
NLog6,330almost 2 years agoNLog - Advanced .NET and Silverlight logging
Logazmic59almost 2 years agoOpen source NLog viewer for Windows
ELMAHOfficial ELMAH site
Elmah MVC264about 2 years agoElmah for MVC
Logary527over 3 years agoLogary is a high performance, multi-target logging, metric, tracing and health-check library for Mono and .NET. .NET's answer to DropWizard. Supports many targets, built for micro-services
Log4NetThe Apache log4net library is a tool to help the programmer output log statements to a variety of output targets
Rollbar.NET66over 2 years agoSimplifies real-time remote error monitoring while using Rollbar.com. Open-source Rollbar Notifier SDK for any .NET-based technology stack. The SDK that can be used in any application built on the following .NET versions: .NET Core 2.0+, .NET Standard 2.0+, .NET Full Framework 4.5.1+, Mono, Xamarin, and, in general, any implementation of the .NET Standard 2.0+. It simplifies building data payloads based on exception data, tracing data, informational messages, and telemetry data and sends the payloads to the Rollbar API for remote monitoring and analysis of the hosting application's behavior
Sejil183almost 3 years agoCapture, view and filter your ASP.NET Core app's logs right from your app. It supports structured logging, querying as well as saving log queries
Sentry610almost 2 years ago.NET SDK for Open-source error tracking that helps developers monitor and fix crashes in real time
Serilog7,326almost 2 years agoA no-nonsense logging library for the NoSQL era. Combines the best of traditional and structured diagnostic logging in an easy-to-use package
StackExchange.Exceptional862almost 2 years agoError handler used for the Stack Exchange network
Semantic Logging Application Block (SLAB)218about 9 years agoExtends the inbuilt features of System.Diagnostics.Tracing namespace (EventSource class) to log to several sinks including Azure Tables, Databases, files (JSON, XML, text). Supports in-process and out-of-process logging through ETW, and Rx for real-time filtering/aggregating of events
ULogViewer422almost 2 years agoCross-Platform (Windows/macOS/Linux) Universal Log Viewer which supports reading and parsing various type of logs. You can also define your own profile to parse and show logs
Foundatio1,992almost 2 years agoA fluent logging API that can be used to log messages throughout your application
Exceptionless560almost 2 years agoExceptionless .NET Client
LoupeCentralized .NET logging and monitoring
elmah.ioCloud logging for .NET web applications using ELMAH. Find bugs before you go live. Powerful search, API, integration with Slack, GitHub, Visual Studio and more
BugSnagLogs errors. Includes useful diagnostic info like stack trace, session, release, etc. Has a free tier
ZeroLog406almost 2 years agoZeroLog is a zero-allocation .NET logging library. It provides basic logging capabilities to be used in latency-sensitive applications, where garbage collections are undesirable

Chat / Machine Learning and Data Science

Infer.NETA framework for running Bayesian inference in graphical models. It can also be used for probabilistic programming
Accord.NETMachine learning framework combined with audio and image processing libraries (computer vision, computer audition, signal processing and statistics)
Accord.NET Extensions342almost 11 years agoAdvanced image processing and computer vision algorithms made as fluent extensions
AForge.NETFramework for developers and researchers in the fields of Computer Vision and Artificial Intelligence (image processing, neural networks, genetic algorithms, machine learning, robotics)
Catalyst752almost 2 years agoCross-platform Natural Language Processing (NLP) library inspired by spaCy, with pre-trained models, out-of-the box support for training word and document embeddings, and flexible entity recognition models. Part of the
DeedleData frame and (time) series library for exploratory data manipulation with C# and F# support
FsLabA collection of data science and machine learning libraries for F# and .NET
GeneticSharp1,290over 2 years agoMulti-platform genetic algorithm library for .NET Core and .NET Framework. The library has several implementations of GA operators, like: selection, crossover, mutation, reinsertion and termination
numl431almost 8 years agoDesigned to include the most popular supervised and unsupervised learning algorithms while minimizing the friction involved with creating the predictive models
ML.NET9,071almost 2 years agoCross-platform open-source machine learning framework which makes machine learning accessible to .NET developers
R ProviderType provider that exposes R packages and functions in a type-safe way to F# callers
F# Data820almost 2 years agoF# type providers for accessing XML, JSON, CSV and HTML files (based on sample documents) and for accessing WorldBank data
Spreads430over 3 years agoSeries and Panels for Real-time and Exploratory Analysis of Data Streams. Spreads library is optimized for performance and memory usage. It is several times faster than other open source projects
SciSharp STACKA rich machine learning ecosystem for .NET created by porting the most popular Python libraries to C#
Synapses70about 5 years agoAn in-memory neural network library written in F#
m2cgen2,826about 2 years agoA CLI tool to transpile trained classic ML models into a native .NET (C#, F# or Visual Basic) code with zero dependencies

Chat / Markdown Processors

MarkdownSharpOpen source C# implementation of Markdown processor, as featured on Stack Overflow
F# FormattingTools for documenting F# and C# projects. The library contains extensible Markdown parser as a core component
markdig4,468almost 2 years agoA fast, powerful, CommonMark compliant, extensible Markdown processor for .NET

Chat / Mail

FluentEmail3,060over 2 years agoA fluent wrapper for System.Net.Mail with Razor templating support
MailKit6,258almost 2 years agoA complete cross-platform mail stack including IMAP, POP3, SMTP, authentication and more. Built on top of MimeKit
MailKitSimplified80almost 2 years agoA fully-featured fluent wrapper for MailKit that makes sending emails as simple as possible
MimeKit1,850almost 2 years agoA cross-platform .NET MIME creation and parser library with support for S/MIME, PGP, TNEF and Unix mbox spools
PreMailer.Net657almost 2 years agoC# library that moves your stylesheets to inline style attributes, for maximum compatibility with e-mail clients
StrongGrid187almost 2 years agoClient for SendGrid's v3 API. Not only allows you to send emails, but also allows you to bulk import contacts, manage lists and segments, create custom fields for your lists, etc. Also includes a parser for SendGrid Webhooks

Chat / Mathematics

MathNetMath.NET is an open source initiative to build and maintain toolkits covering fundamental mathematics, targeting advanced but also every day needs of .NET developers
Microsoft Automatic Graph Layout1,365almost 2 years agoA set of tools for graph layout and viewing
UnitConversion181over 4 years agoExpansible Unit Conversion Library for .NET Core and .NET Framework
ALGLIBALGLIB is a cross-platform numerical analysis and data processing library. It supports several programming languages (C++, C#, Delphi) and several operating systems (Windows and POSIX, including Linux) and
AutoDiff93over 3 years agoAutoDiff is a library for quickly computing gradients of functions defined by expressions. Mainly useful in numerical optimization
GeometRi184almost 2 years agoSimple and lightweight computational geometry library for .Net
Rationals80almost 2 years agoImplementation of rational number arithmetic for .NET with arbitrary precision
MKL.NET168almost 2 years agoA simple cross platform .NET API for Intel MKL
AngouriMath785over 2 years agoAn open-source symbolic/computer algebra library, made primarily for C# and F#. It covers a range of features and might be considered as an alternative to SymPy in .NET
Vim.Math3d114about 2 years agoA feature-rich cross-platform replacement for System.Numerics with support for consistent serialization and binary layout, and additional structures and algorithms for efficient 3D Math
WPF-Math649over 2 years agoa .NET library for rendering mathematical formulae using the LaTeX typesetting style, for the WPF framework
Jodo.Numerics13over 2 years agoProvides extra number types (such as fixed-point and non-overflowing numbers) with full support for operators, math, string-parsing etc. Extensively tested, and cross-platform compatible

Chat / Media

CSCore2,235about 2 years agoAn advanced audio library, supporting playback/recording, decoding/encoding and processing of audio data in realtime (effects, visualizations, ...)
TagLib#1,303about 2 years agoTagLib# (aka taglib-sharp) is a library for reading and writing metadata in media files, including video, audio, and photo formats
LibVLCSharp1,533almost 2 years agoXamarin bindings for libvlc, the multimedia framework powering the VLC applications made by VideoLAN
NAudio5,608about 2 years agoPlayback, decode and encode audio in a variety of file formats such as MP3, MP4, WAV, AIFF, Speex, etc
Xabe.FFmpeg715almost 3 years ago.NET Standard wrapper for FFmpeg. It allows to process media without know how FFmpeg works, and can be used to pass customized arguments to FFmpeg from C# application
SeeShark146over 2 years agoCross-platform camera library for .NET using FFmpeg supporting over 190 pixel formats

Chat / Metrics

C# StatsD Client110over 7 years agoC# client for Etsy's StatsD
Foundatio1,992almost 2 years agoA common interface with in-memory, Redis, StatsD, and Metrics.NET implementations

Chat / Micro Framework

.NET Micro Framework Interpreter487about 8 years agoMicrosoft® .NET Micro Framework (NETMF) for developing embedded applications on small devices using Visual Studio

Chat / Minification

Microsoft Ajax MinifierContains JS and CSS minifiers which have a highest performance, because its have been specifically designed for .NET. Optionally produce Source Maps for JS code
Web Markup Minifier457almost 2 years ago.NET library that contains a set of markup minifiers. The objective of this project is to improve the performance of web applications by reducing the size of HTML, XHTML and XML code
CompressedStaticFiles88over 2 years agoSend compressed static files to the browser without having to compress on demand, also has support for sending more advanced image formats when the browser indicates that i has support for it

Chat / Misc

CSharp PadA web-based C# REPL with awesome code completion
AzureCrawler43over 12 years agoTake HTML Snapshots for your Angular, Ember, Durandal or any JavaScript applications
CSScriptCS-Script is a CLR based scripting system which uses C# as a programming language. CS-Script currently targets Microsoft implementation of CLR (.NET 2.0/3.0/3.5/4.0/4.5) with full support on Mono. Comes with many additional features, such as script hosting
CsvHelper4,810about 2 years agoLibrary to help reading and writing CSV files
RecordParser295about 2 years agoLibrary to help reading and writing CSV and Flat files with zero heap allocation
Hashids.net3,325almost 3 years agoGenerate short unique ids from integers, as per
ConsoleTableExt332about 2 years agoFluent library to create table for .Net console application
FlatMapper93over 6 years agoA library to import and export data from and to plain text files in a LINQ-compatible way
FluentValidation9,159almost 2 years agoA small validation library for .NET that uses a fluent interface and lambda expressions for building validation rules
FormHelper272almost 4 years agoForm & Validation Helper for ASP.NET Core. Form Helper helps you to create ajax forms and validations without writing any javascript code. (Compatible with Fluent Validation)
Guard711about 3 years agoA high-performance, extensible argument validation library
Valit322over 6 years agoValit is dead simple, fluent validation for .NET Core
Validot311about 2 years agoValidot is a performance-first, compact library for advanced model validation. Using a simple declarative fluent interface, it efficiently handles classes, structs, nested members, collections, nullables, plus any relation or combination of them. It also supports translations, custom logic extensions with tests, and DI containers
Humanizer8,712almost 2 years agoHumanizer meets all your .NET needs for manipulating and displaying strings, enums, dates, times, timespans, numbers and quantities
LINQPada C#/VB/F# scratchpad that instantly executes any expression, statement block or program with rich output formatting and a wealth of features. Also lets you interactively query databases in LINQ. [$]
LINQPad.QueryPlanVisualizer400over 2 years agoView SQL Server and Postgres query plans directly inside LINQPad
Polly13,487almost 2 years agoExpress transient-exception-handling and resilience policies such as Retry, Wait-and-Retry, Circuit Breaker, and Bulkhead Isolation in a fluent manner. Fully thread-safe and full async support. (4.0 / 4.5 / .NET Core / .NET Standard / Xamarin)
Rant2,962about 6 years agoThe Rant Procedural Text Generation DSL
ScriptCS2,473about 3 years agoWrite C# apps with a text editor, NuGet and the power of Roslyn!
Shielded241almost 4 years agoSoftware Transactional Memory (STM) implementation for .NET
MSBuild ILMerge taskMSBuild ILMerge task is a NuGet package allows you to use the famous ILMerge utility in automated builds and/or Visual Studio projects
ReactJS.NET2,301over 3 years agoReactJS.NET is a library that makes it easier to use Babel along with Facebook's React and JSX from C#
Aeron.NET489over 2 years agoEfficient reliable UDP unicast, UDP multicast, and IPC message transport - .NET port of Aeron
TypeShape302almost 2 years agoTypeShape is a small, extensible F# library for practical generic programming
Streams383over 6 years agoA lightweight F#/C# library for efficient functional-style pipelines on streams of data
Warden616over 8 years agoDefine "health checks" for your applications, resources and infrastructure. Keep your Warden on the watch
ByteSize562almost 2 years agoByteSize is a utility class that makes byte size representation in code easier by removing ambiguity of the value being represented. ByteSize is to bytes what System.TimeSpan is to time
Jot633over 2 years agoa library for persisting and restoring application state (a better alternative to .settings files)
Enums.NET1,750about 2 years agoEnums.NET is a high-performance type-safe .NET enum utility library
HidLibrary591over 2 years agoThis library enables you to enumerate and communicate with Hid compatible USB devices in .NET
SystemWrapper174about 3 years agoSystemWrapper is .NET library for easier testing of system APIs
YoutubeExplode2,994almost 2 years agoUltimate library for extracting metadata and downloading Youtube videos and playlists
DeviceId799almost 2 years agoGenerate a 'device ID' that can be used to uniquely identify a computer
DeviceDetector.NET355almost 2 years agoThe Universal Device Detection library will parse any User Agent and detect the browser, operating system, device used (desktop, tablet, mobile, tv, cars, console, etc.), brand and model
NaturalSort.Extension175almost 2 years agoExtension method for StringComparer that adds support for natural sorting (e.g. "abc1", "abc2", "abc10" instead of "abc1", "abc10", "abc2")
Coravel3,930almost 2 years agoNear-zero config .NET Core library that makes Task Scheduling, Caching, Queuing, Mailing, Event Broadcasting (and more) a breeze!
Quickenshtein285almost 3 years agoAn extremely quick and memory efficient Levenshtein Distance calculator with SIMD and Threading support
Infinity Crawler248almost 3 years agoA simple but powerful web crawler library for .NET
Build Versioning59almost 2 years agoSimple build versioning for .NET, powered by Git tags
SystemTextJson.JsonDiffPatch108over 2 years agoHigh-performance, low-allocating JSON object diff and patch extension for System.Text.Json. Support generating patch document in RFC 6902 JSON Patch format
dotnet-exec51almost 2 years agoA command-line tool for executing C# program without a project file, and you can have your custom entry point other than Main method

Chat / MQTT

HiveMQtt64almost 2 years agoThe HiveMQ C# MQTT client for .NET
MQTTNet4,520almost 2 years agoA high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker)

Chat / MVVM

Community ToolkitCollection of control & helper libraries and samples for various .NET technologies. Contains modern MVVM library, supported by Microsoft. Includes , , and
Caliburn.Micro2,805almost 2 years agoA small, yet powerful framework, designed for building applications across all XAML platforms. Its strong support for MV* patterns will enable you to build your solution quickly, without the need to sacrifice code quality or testability
MVVM Light Toolkit1,174about 5 years agoThe main purpose of the toolkit is to accelerate the creation and development of MVVM applications in WPF, Silverlight, Windows Store (RT) and for Windows Phone
CatelCatel is an application development platform with the focus on MVVM (WPF, Silverlight, Windows Phone and WinRT) and MVC (ASP.NET MVC). The core of Catel contains an IoC container, models, validation, memento, message mediator, argument checking, etc
UpdateControlsUpdate Controls does not require that you implement or declare a . It connects controls directly to CLR properties. This makes it perfect for the Model/View/ViewModel pattern
ReactiveUI8,139almost 2 years agoAn MVVM framework for .NET that integrates the Reactive Extensions (Rx) framework, enabling developers to build elegant, testable applications using WPF, Windows Store Apps, WP8 or Xamarin
Okra App FrameworkAn app centric MVVM framework for Windows 8.1 built with dependency injection in mind, including a full set of Visual Studio MVVM templates
Prism6,383almost 2 years agoA cross-platform desktop and mobile MVVM development framework
Win Application Framework (WAF)718almost 2 years agoA lightweight Framework that helps you to create well structured WPF and UWP Applications. It supports you in applying a Layered Architecture and the Model-View-ViewModel pattern
MVVMCross3,877almost 2 years agoCross-platform mvvm mobile development framework for WPF, Silverlight for WP7 and WP8, Mono for Android, MonoTouch for iOS, Windows Universal projects (WPA8.1 and Windows 8.1 Store apps). Makes extensive use of Portable Class Libraries (PCL) to provide maintainable cross platform C# native applications
Stylet997over 2 years agoMinimal MVVM framework inspired by Caliburn Micro, with good documentation, high test coverage, and its own IoC container
Gemini1,102about 3 years agoIDE framework similar in concept to the Visual Studio Shell. Built on WPF, AvalonDock, and Caliburn Micro
Toms Toolbox106almost 2 years agoVisual Composition framework to easily build modularized MVVM applications based on the
MVVM Dialogs665almost 2 years agoFramework simplifying the concept of opening dialogs from a view model when using MVVM in WPF or UWP
Smaragd36over 6 years agoA platform-independent, lightweight library for developing .NET applications using the MVVM architecture
EBind163about 5 years agoA concise, fast and feature-rich .NET data binding solution

Chat / Networking

NetCoreServer2,822over 2 years agoUltra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution (NETStandard)
SharpPcap1,368almost 2 years agoFully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets from live and file based devices

Chat / Object to object mapping

AutoMapper9,963almost 2 years agoA convention-based object-object mapper in .NET
TinyMapper691over 2 years agoA tiny and quick object mapper for .NET
ExpressMapper310almost 5 years agoA lightweight, lighting fast .NET mapper to map one type of object(s) to another in automated and easy way. ExpressMapper relies completely on the expression trees
AgileMapper460almost 4 years agoA zero-configuration Object-Object mapper supporting .NET Standard 1.0
Mapperly3,007almost 2 years agoA .NET source generator for generating object mappings. No runtime reflection
Mapster4,399over 2 years agoA high performance object mapper in .net

Chat / Office

ExcelDna1,316almost 2 years agoExcelDna makes it easier to create and deploy Excel Add-Ins using C#, F# or VB .NET
ClosedXML4,841almost 2 years agoClosedXML makes it easier for developers to create Excel 2007/2010 files
OfficeIMO292almost 2 years agoOfficeIMO makes it easier for developers to create/modify Word (docx) files without having Microsoft Word or Office installed
NPOI83almost 2 years agoThis project is the .NET version of POI Java project at
EPPlus3,763about 6 years agoEPPlus is a .NET library that reads and writes Excel 2007/2010 files using the Open Office XML format (xlsx)
Open XML SDK4,071almost 2 years agoThe Open XML SDK provides open-source libraries for working with Open XML Documents (DOCX, XLSX, and PPTX)
DocX1,785about 2 years agoDocX is a .NET library that allows developers to manipulate Word 2007/2010/2013 files, it does not require Microsoft Word or Office to be installed
ExcelDataReader4,020almost 2 years agoLightweight and fast library written in C# for reading Microsoft Excel files (2.0-2007)
NetOffice703almost 2 years ago.NET wrapper assemblies for Microsoft Office applications
GemBox.BundleA package of .NET components that enable fast, simple and efficient processing of office files (Excel, Word, PowerPoint, PDF and emails)
Outlook RedemptionLibrary to work with the Outlook Object Model and (Extended) MAPI. Supports Outlook 98 - 2019. Work with objects/mails/accounts/folders in Exchange and Outlook
ShapeCrawler307almost 2 years agoA fluent API for the processing of PowerPoint presentations without Microsoft Office installed
MiniExcel2,843almost 2 years agoA micro Excel helper avoids OOM and high performance to create/mapping/template-fill-data
Toxy362almost 2 years ago.NET text extraction framework supports a few file formats
Syncfusion .NET Word FrameworkA high-performance .NET Word framework without Microsoft Office or interop dependencies. Create, read, and edit Word documents seamlessly. Utilize advanced editor components for easy viewing, editing, and printing. Effortlessly convert Word documents to PDF, HTML, RTF, ODT, and EPUB formats with powerful conversion APIs
Syncfusion .NET Excel FrameworkA high-performance .NET Excel framework without Microsoft Office or interop dependencies. Create, read, and edit Excel documents seamlessly. Utilize Spreadsheet controls for creating, editing, and viewing easily. Effortlessly convert Excel files to PDF, images, and more with powerful conversion APIs
Syncfusion .NET PowerPoint FrameworkA high-performance .NET PowerPoint framework without Microsoft Office or interop dependencies. Create, read, and edit PowerPoint files seamlessly. Effortlessly convert PowerPoint files to PDFs and images with powerful conversion APIs

Chat / OpenAI

Cledev.OpenAI116over 3 years ago.NET SDK for OpenAI which includes ChatGPT, DALL-E and Whisper APIs and a Blazor Server playground

Chat / ORM

Entity Framework 61,431almost 2 years agoObject-relational mapper that enables .NET developers to work with relational data using domain-specific objects
Entity Framework Core13,838almost 2 years agoObject-relational mapper that enables .NET developers to work with relational data using domain-specific objects
EntityFramework.Exceptions1,535almost 2 years agoUse typed Exceptions for Entity Framework Core when your SQL query violates database constraints in SqlServer, MySql, PostgreSQL or SQLite
EntityFrameworkCore.SqlServer.SimpleBulks161almost 2 years agoSimple library that can help to sync a large number of records in-memory into the database. Lambda Expression is supported
EFCore.BulkExtensions3,698almost 2 years agoEntity Framework Core Bulk Extensions for super fast (BulkCopy) CRUD ops + SaveChanges on multiple DBs: SQL, PG, My, Lite
Dapper17,629almost 2 years agoA simple object mapper for .NET by
Dapper Extensions1,792over 2 years agoSmall library that complements Dapper by adding basic CRUD operations (Get, Insert, Update, Delete) for your POCOs
Dapper.FastCRUD506over 2 years agoThe fastest micro-ORM extension for Dapper
DapperQueryBuilder524over 2 years agoDapper Query Builder using String Interpolation and Fluent API
SqlSugar5,424almost 2 years agoAnother ORM library supports many RDBMS including MySql, SqlServer, Sqlite, Oracle, Postgresql
FreeSqla convenient ORM in dotnet, supports MySql, SqlServer, PostgreSQL, Oracle, Sqlite, Firebird, 达梦, 人大金仓, 神舟通用, 翰高 and Access
NHibernateNHibernate Object Relational Mapper
Fluent NHibernate1,656almost 2 years agoFluent, XML-less, compile safe, automated, convention-based mappings for NHibernate
FluentMigrator3,281almost 2 years agoFluent Migrations framework for .net
ServiceStack.OrmLite1,527almost 4 years agoLight, simple and fast convention-based POCO ORM
Massive1,798about 9 years agoA small, happy, data access tool that will love you forever
LINQ to DB3,007almost 2 years agoThe fastest LINQ database access library offering a simple, light, fast, and type-safe layer between your POCO objects and your database
MicroLite ORM85over 6 years agoMicroLite ORM is a micro Object Relational Mapper for the .NET framework. It is designed to be easy to use, extensible and testable
PetaPoco2,074about 2 years agoA tiny ORM-ish thing for your POCOs
AsyncPoco127over 2 years agoA long-"awaited" fully asynchronous PetaPoco fork
NPoco850over 2 years agoSimple microORM that maps the results of a query onto a POCO object. Based on Schotime's branch of PetaPoco
Limebean28over 7 years agoHybrid ORM which uses SQL fragments and doesn't require Model Classes
LLBLGen ProEntity Modeling solution for Entity Framework, NHibernate, Linq to SQL and its own ORM framework: LLBLGen Pro Runtime Framework
Insight.Database864about 2 years agoInsight.Database is a fast, lightweight, micro-ORM for .NET
DbExtensionsData-access framework with a strong focus on query composition, granularity and code aesthetics
SmartSql1,104almost 2 years agoSmartSql = MyBatis + Cache(Memory | Redis)+ ZooKeeper + R / W Splitting + Dynamic Repository
RepoDb1,725almost 2 years agoA hybrid ORM library for .NET
Venflow170almost 4 years agoA super fast and lightweight ORM for PostgreSQL
MongoFramework393almost 2 years agoAn "Entity Framework"-like interface for MongoDB
Friflo.Json.Fliox168almost 2 years agoHigh performane ORM for Sqlite, MySql, SqlServer, PostgreSQL & NoSQL. Provides server with REST, GraphQL & WebSocket / PubSub API

Chat / Package Management

NuGetThe .NET package manager
BaGet2,632about 2 years agoA cross-platform, lightweight NuGet and Symbol server
CloudsmithA fully managed package management SaaS, with support for NuGet, Npm, Docker and much more
MyGetHosted Package Repository for NuGet, NPM, Bower and VSIX. Also provides CI as-a-Service
Paket2,021almost 2 years agoA package dependency manager for .NET with support for NuGet packages and GitHub repositories
Sleet364almost 2 years agoA NuGet v3 static feed generator with support for AWS S3 and Azure Storage

Chat / PDF

QPdfSharp17over 2 years agoA C# wrapper written around QPdf to allow for easy PDF manipulation that is tested for both linux and windows. QPdf is one of the only libraries capable of PDF linearization, and this wrapper ensures you keep up to date with the underlying improvements
Cloudmersive PDFCloudmersive PDF is a native .NET Framework and .NET Core NuGet library and API service that can create, modify, encrypt or convert PDF documents at high scale and fidelity; and is free to use with no expiration
Docotic.PdfPDF library to create, read, edit, draw, and print PDF documents in .NET and .NET Core applications. 100% managed, without unsafe blocks
ITextSharp1,371over 2 years agoiText is a PDF library that allows you to CREATE, ADAPT, INSPECT and MAINTAIN documents in the Portable Document Format (PDF)
PdfiumViewer975about 5 years agoPdfiumViewer is a PDF viewer based on the PDFium project
WkhtmlToPdf265about 2 years agoC# wrapper around wkhtmltopdf console utility. Allow to generate preety PDF using HTML and CSS
Pdfium.Net SDKAdvanced C# PDF library for render, create, edit, merge, split, print, and view PDFs. Open source PDF Viewer is available on . A is also available for easy inclusion into your projects
PdfPigRead and create and extract text and other content from PDFs in C# (port of PdfBox)
QuestPDFQuestPDF is an open-source, modern and battle-tested library that can help you with generating PDF documents by offering friendly, discoverable and predictable C# fluent API
Kevsoft.PDFtk37over 2 years agoA wrapper to drive the awesome pdftk binary, which can fill PDF forms, get field information, concatenate multiple documents or pages, split documents, add or replace stamps, and can attach files to or download files from pages
IronPDFHigh-performance C# PDF library with compatibility for various .NET versions, HTML to PDF conversion, content page conversion, file format support (e.g., DOCX, RTF, MD), responsive layouts, and robust PDF capabilities features ranging from compability, generating PDFs, formatting PDFs, and editing PDFs
Syncfusion .NET PDF FrameworkA high-performance .NET PDF framework with no Adobe dependencies. Create, read, and edit PDF files seamlessly. Utilize PDF viewer controls for easy viewing, reviewing, and printing. Effortlessly convert HTML, Word, Excel, PowerPoint files, and images to PDF with powerful conversion APIs

Chat / Profiler

MiniProfiler2,928almost 2 years agoA simple but effective mini-profiler for ASP.NET websites
Glimpse2,320over 5 years agoThe open source diagnostics platform for the web
Unchase.FluentPerformanceMeter42over 5 years agoAn open-source and cross-platform .Net Standard 2.0 library that is designed for the method’s performance measurement

Chat / Protocols

SSH.NET4,034almost 2 years agoA Secure Shell (SSH) library for .NET, optimized for parallelism. Provides SSH commands, SFTP/SCP uploads and downloads, and SOCKS4/SOCKS5/HTTP proxies
FluentFTP3,153almost 2 years agoAn FTP and FTPS library for .NET, optimized for speed. Provides extensive FTP commands, file uploads/downloads and FTP proxies
SharpSnmpLibAn open source SNMP implementation for .NET/Mono/Xamarin. Version 1, 2c, and 3 are supported
DNS417over 2 years agoA library for parsing and serializing DNS messages. Includes a basic DNS client and server
DnsClient.NET792almost 2 years agoA simple yet very powerful and high performant open source library for the .NET Framework to do DNS lookups
Tecan SiLA2 SDKA library and code generator to develop SiLA2 clients and servers

Chat / Push Notifications

PushSharp4,382over 3 years agoA server-side library for sending Push Notifications to iOS, OSX, Android, Chrome, Windows Phone, Windows 8, Blackberry, and Amazon devices

Chat / Query Builders

SqlKataElegant SQL query builder, that supports complex queries, joins, sub queries, nested where conditions, vendor engine targets and more
InterpolatedSql126almost 2 years agoSQL Builder using String Interpolation and Fluent API

Chat / Queue

CAP6,730almost 2 years agoAn EventBus with local persistent message functionality for RabbitMQ or Kafka
Cap.Outbox10almost 2 years agoImplementation of the Outbox pattern and OnceExecutor service that guarantees idempotence: the operation will be performed once
NServiceBus2,103almost 2 years agoThe most popular service bus for .NET
Gofer.NET544almost 4 years agoEasy C# API for Distributed Background Tasks/Jobs for .NET Core. Inspired by celery for python
Hangfire9,470almost 2 years agoIncredibly easy way to perform fire-and-forget, delayed and recurring tasks inside ASP.NET applications
RabbitMQ.NET2,101almost 2 years agoImplementation of an AMQP client library for C#, and a binding exposing AMQP services via WCF
NetMQ2,973about 2 years agoNetMQ is 100% native C# port of ZeroMQ
MassTransit7,072almost 2 years agoMassTransit is lean service bus implementation for building loosely coupled applications using the .NET Framework
Rebus2,339almost 2 years agoRebus is a lean service bus implementation for .NET, similar in nature to NServiceBus and MassTransit, only leaner
RestBus367about 4 years agoA service-oriented .NET messaging library for RabbitMQ
RawRabbit747almost 4 years agoA modern .NET Core library for RabbitMQ
EasyNetQ2,910almost 2 years agoAn easy to use .NET API for RabbitMQ
Warewolf ESB273almost 2 years agoAn easy to use service bus and microservices platform. Easily build applications and services in a visual IDE
Confluent's .NET Client96almost 2 years agoConfluent's .NET Client for Apache Kafka
Foundatio1,992almost 2 years agoA common interface with in-memory, Redis and Azure implementations
Kafunk160almost 6 years agoF# Kafka client from Jet
Brighter2,046almost 2 years agoCommand Dispatcher, Processor, and Distributed Task Queue
SilverbackA simple but feature-rich message bus for .NET core (supports Kafka, RabbitMQ and MQTT)
SlimMessageBus486almost 2 years agoLightweight message bus with transports for popular messaging systems (Kafka, Redis, Azure Service Bus, and others) and in-memory communication
AsyncMonolith52about 2 years agoFacilitates simple asynchronous messaging in dotnet apps

Chat / RPC

gRPC4,229almost 2 years agoAn RPC library and framework for .NET Core. Read more about it on
CoreRPC82about 2 years agoExtensible library for WCF-like RPC targeting netstandard1.3. Compatible with .NET, Mono and .NET Core
BloomRPC9,011over 3 years agoBloomRPC aims to provide the simplest and most efficient developer experience for exploring and querying your GRPC services
gRPCurl11,014almost 2 years agogRPCurl is a command-line tool that lets you interact with gRPC servers. It's basically curl for gRPC servers
gRPC UI5,274almost 2 years agogRPC UI is a command-line tool that lets you interact with gRPC servers via a browser. It's sort of like Postman, but for gRPC APIs instead of REST

Chat / Reactive Programming

Rx.NET6,752almost 2 years agoThe Reactive Extensions (Rx) is a library for composing asynchronous and event-based programs using observable sequences and LINQ-style query operators
Dynamic Data1,750almost 2 years agoReactive Extensions (Rx) for collections
ObsevableComputations114over 3 years agoA cross-platform .NET library for computations whose arguments and results are objects that implement INotifyPropertyChanged and INotifyCollectionChanged (ObservableCollection) interfaces

Chat / Real-time Communications

SIPSorcery1,519almost 2 years agoA cross platform C# .NET library supporting SIP, VoIP and WebRTC

Chat / Regular Expression

RegExtract698over 2 years agoClean & simple idiomatic C# RegEx-based line parser that emits strongly typed results
Gigantor22over 3 years agoFast regular expressions supporting gigantic files combining System.Text.RegularExpressions.Regex with multi-threading

Chat / Scheduling

FluentScheduler2,684over 3 years agoTask scheduler with fluent interface that runs automated jobs from your application
NCrontab919about 2 years agoClass library for parsing & formatting expressions as well as calculating occurrences of time based on a crontab schedule
NCrontab.Scheduler14almost 3 years agoSimple task scheduler library for scheduling NCrontab-based tasks
QuartzNet6,581almost 2 years agoQuartz Enterprise Scheduler .NET
HangfireAn easy way to perform fire-and-forget, delayed and recurring tasks inside .NET apps
Chroniton182almost 10 years agoA simple, fully integrable, and customizable library for running strongly typed jobs (tasks) on schedules
DurableTask1,537almost 2 years agoThis framework allows users to write long running persistent workflows in C# using the async/await capabilities
Workflow Core5,419almost 2 years agoLightweight embeddable workflow engine

Chat / SDK and API Clients

AWS SDK2,077almost 2 years agoThe AWS SDK for .NET enables .NET developers to easily work with Amazon Web Services
Azure PowerShell4,275almost 2 years agoA set of PowerShell cmdlets for developers and administrators to develop, deploy and manage Microsoft Azure applications
Countly SDK for Windows25almost 2 years agoWindows SDK for Countly analytics and marketing platform for product and marketing managers
Octokit.NET2,712almost 2 years agoA GitHub API client library for .NET
Dropbox.NET335about 2 years agoOfficial .NET SDK for the Dropbox API
Getty Images API SDK11almost 2 years agoSDK for the Getty Images and iStock APIs
Cloudmersive APIsAn API client library for .NET
Elasticsearch .NET3,590almost 2 years agoElasticsearch.Net & NEST
PlainElastic.Net160about 5 years agoPlain .NET client for ElasticSearch
SolrNet942about 2 years agoSolr client for .NET
SolrExpress66almost 6 years agoA simple and lightweight query .NET library for Solr, in a controlled, buildable and fail fast way
Lucene.netLucene.Net is a port of the Lucene search engine library, written in C# and targeted at .NET runtime users

Chat / Serialization

Ceras484over 2 years agoCeras is a binary serializer. It converts any object into a byte[] and back. It goes above and beyond in terms of features, speed, and comfort. Supports reference loops, large/complicated inheritance chains, splitting objects into parts and more
CsvExport166over 2 years agoVery simple & lightweight CSV exporter, Excel friendly, escapes text & quotes etc
Protobuf.NET4,714almost 2 years agoProtocol buffers is the name of the binary serialization format used by Google for much of their data communications
Json.NET10,855almost 2 years agoPopular high-performance JSON framework for .NET
ServiceStack.Text1,220over 4 years agoJSON, JSV and CSV Text Serializers used in servicestack.net
Msgpack-Cli835about 2 years agoMessagePack implementation for Common Language Infrastructure
Jil2,147over 2 years agoFast .NET JSON serializer, built on Sigil (used by StackOverflow)
ProtoBuf308about 4 years agoGenerate C# code for protocol buffer serialization from a .proto specification
FlatSharp513almost 2 years agoFast, idiomatic FlatBuffers implementation. Use .fbs files or attributes
F# DataF# type providers for accessing XML, JSON, CSV and HTML files (based on sample documents) and for accessing WorldBank data
Bond2,615almost 2 years agocross-platform framework for working with schematized data. It supports cross-language de/serialization and powerful generic mechanisms for efficiently manipulating data
Hyperion278almost 2 years agoA high performance polymorphic serializer for the .NET framework
FileHelpers1,136over 3 years agofree and easy to use .NET library to import or export data from fixed length or delimited records in files, strings or streams
FsPickler326over 4 years agoA fast multi-format message serializer for .NET
Migrant46about 2 years agoFast and flexible serialization framework usable on undecorated classes
Utf8Json2,364over 4 years agoFast and Zero Allocation JSON Serializer for C#(.NET, .NET Core, Unity and Xamarin), this serializer write/read directly to UTF8 binary so boostup performance
ObjectDumper.NET399almost 2 years agoSerializes in-memory object to C# code
FluentSerializer20over 2 years agoA profile-based Serializer for multiple data-formats

Chat / SMS and Phone calls

Twilio-csharp678almost 2 years agoA C#/.NET Library for sending and receiving phone calls and text messages with Twilio

Chat / State machines

Stateless5,644almost 2 years agoCreate state machines and lightweight state machine-based workflows directly in .NET code
Automatonymous742almost 4 years agoA state machine library for .NET - allows you to write fluent style state machines
LiquidState241almost 6 years agoEfficient asynchronous and synchronous state machines for .NET

Chat / Static Site Generators

FsBlog132about 8 years agoBlog aware, static site generation using F#
Pretzel595about 6 years agoA site generation tool (and then some) for .NET platforms
Sandra.Snow235almost 3 years agoJekyll-inspired static site generation for .NET
WyamA simple to use, highly modular, and extremely configurable static content generator

Chat / Strong Naming

Strong Namer332over 2 years agoAutomatically add strong names to referenced assemblies which do not already have a strong name. This will allow you to reference and use (NuGet packages with) assemblies which are not strong named from your projects that do use a strong name
.NET Assembly Strong-Name Signer329over 2 years agoUtility software to strong-name sign .NET assemblies, including assemblies you do not have the source code for

Chat / Style Guide

C# Style GuideStackOverflow Q & A on style guides
C# Coding ConventionsOfficial MSDN C# code conventions
C# Async Guidance8,127over 2 years agolist of problematic asynchronous patterns for .NET Core with an explanation of how to solve those issues

Chat / Template Engine

RazorEngine2,141over 5 years agoOpen source templating engine based on Microsoft's Razor parsing engine
RazorLight1,536about 2 years agoOpen source template engine based on Microsoft's Razor parsing engine supporting .NET Standard 2.0
Nustache597over 3 years agoOpen source library for logic-less templates
Stubble412about 3 years agoTrimmed down {{mustache}} templates in .NET. Successor of Nustache
DotLiquid1,060almost 2 years agoC# port of the Ruby Liquid templating language
Mustache Sharp306over 6 years agoAn extension of the mustache text template engine for .NET
Scriban3,246almost 2 years agoA fast, powerful, safe and lightweight text templating language and engine for .NET
Morestachio51almost 2 years agoA full sized {{mustache}} like template engine with focus on extendibility
Fluid1,453almost 2 years agoFluid is an open-source .NET template engine based on the Liquid template language
SmartFormat1,116almost 2 years agoA lightweight text templating library written in C# which can be a drop-in replacement for string.Format
Handlebars.Net1,282over 2 years agoA real .NET Handlebars engine

Chat / Testing

ArchUnitNET941almost 2 years agoSimple library for checking the architecture of C# code with a fluent API
NetArchTest1,424about 2 years agoA fluent API for .Net Standard that can enforce architectural rules in unit tests
AutoFixture3,368about 2 years agoAutoFixture is an open source framework for .NET designed to minimize the 'Arrange' phase of your unit tests
BDTest82almost 2 years agoA behaviour driven testing and reporting framework!
BDDfy421almost 7 years agoBDDfy is the simplest BDD framework EVER!
Bogus8,920almost 2 years agoA simple and sane fake data generator for C#. Based on and ported from the famed faker.js
ExpressionToCode161almost 2 years agoUse plain C# syntax in assertions that include both the expression expression and subexpression values in the failure message
FakeItEasy1,713almost 2 years agoThe easy mocking library for .NET
Fluent Assertions3,811almost 2 years agoA set of .NET extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style test
FluentAutomation235over 4 years agoSimple Fluent API for UI Automation
FsCheck1,169almost 2 years agoRandom Testing for .NET
Fuchu120about 3 years agoA unit-testing library for F# with tests-as-values which makes DSLs extremely easy to create
Machine.Specifications887almost 2 years agoMachine.Specifications (MSpec) is a context/specification framework that removes language noise and simplifies tests
Moq5,985almost 2 years agoThe most popular and friendly mocking framework for .NET
Moq.Contrib.HttpClient190about 4 years agoA set of extension methods for mocking HttpClient and IHttpClientFactory with Moq
NBomber2,084almost 2 years agoVery simple load testing framework for Pull and Push scenarios. It's 100% written in F# and targeting .NET Core and full .NET Framework
NBuilder479over 2 years agoRapid generation of test objects
NCrunchAn automated continuous & concurrent testing tool for Visual Studio
NFluentNFluent is an assertion library which aims to fluent your .NET TDD experience
NSubstituteA friendly substitute for .NET mocking frameworks
NUnit2,531almost 2 years agoA unit-testing framework for all .NET languages
Rhino Mocks257over 9 years agoDynamic Mocking Framework for .NET
Testcontainers3,848almost 2 years agoA library to support tests with throwaway instances of Docker containers for all compatible .NET Standard versions
SecTester1almost 2 years agoSecTester is a new tool that integrates enterprise-grade scan engine directly into your integration or e2e tests
Shouldly2,054almost 2 years agoShouldly is an assertion framework which focuses on giving great error messages when the assertion fails while being simple and terse
Snapshooter304over 2 years agoA snapshot testing tool for .NET Core and .NET Framework
SpecFlowBinding business requirements to .Net code
Stryker.NET1,795almost 2 years agoMutation testing for .NET Core projects
xBehave.net381over 5 years agoAn xUnit.net extension for describing your tests using natural language
xUnit.net4,252almost 2 years agoA free, open source, community-focused unit testing tool for the .NET Framework
Canopy508about 4 years agoCanopy is a free, open source F# web automation and testing framework
Expecto679almost 2 years agoA smooth testing framework for F# with tests as values. Unit testing, property based testing, performance testing and stress testing
ReportPortalAI-powered Test Automation Dashboard. Acquire, aggregate and analyze test reports to ascertain release health
Compare-Net-Objects1,073about 2 years agoPerform a deep compare of any two .NET objects using reflection. Shows the differences between the two objects
Verify2,938almost 2 years agoVerification tool to enable simple approval of complex models and documents
CsCheck164almost 2 years agoRandom testing library for C#. Including concurrency, causal profiling, regression and performance testing

Chat / Tools

Downloader1,365almost 2 years agoFast and reliable multipart downloader with asynchronous progress events for .NET applications
FiddlerThe free web debugging proxy for any browser, system or platform
Open Live Writer2,458about 2 years agoBlog writer which integrated with WordPress, Blogger, et. al. Open Live Writer makes it easy to write, preview, and post to your blog
CodeHub22,820over 4 years agoCodeHub is the best way to browse and maintain your GitHub repositories on any iOS device!
ShareX30,078almost 2 years agoShareX is a free and open source program that lets you capture or record any area of your screen and share it with a single press of a key. It also allows uploading images, text or other types of files to over 80 supported destinations you can choose from
Myrtille1,822over 2 years agoA native HTML4/5 Remote Desktop Protocol client, HTTP gateway written in C# for .NET
Opserver4,517almost 2 years agoStack Exchange's Monitoring System
CatLightBuild status notifications for TFS/Jenkins/Travis/Appveyor. Cross-platform desktop app based on .NET Core and Electron
Mockaco337almost 2 years agoAPI mock server with fast setup, useful to simulate HTTP responses, leveraging ASP.NET Core features, built-in fake data generation and C# scripting engine powered by Roslyn scripting API
Netling1,347almost 4 years agoA load tester client for easy web testing. It is extremely fast while using little CPU or memory
Papercut2,979almost 2 years agoPapercut is an open source (.NET based) test email viewer that runs locally with a built-in SMTP server designed to receive and notify of test email messages
Visual Studio Uninstaller3,934over 7 years agoUninstall and clean up all components of Visual Studio
Fake JSON Server390almost 2 years agoFake REST API for prototyping or as a CRUD Back End. No need to define types, uses dynamic typing. Data is stored to a single JSON file. Has authentication, WebSocket notifications, async long running operations, random generation for errors/delays and experimental GraphQL support
posh-dotnet45almost 9 years agotab completion for the
SmartCode572almost 3 years agoSmartCode = IDataSource -> IBuildTask -> IOutput => Build Everything!!! (Including [ ])
NETworkManager6,706almost 2 years agoA powerful tool for managing networks and troubleshoot network problems!
AnyStatusA desktop notifications app for monitoring CI/CD pipelines, servers, network, health and metrics. AnyStatus supports Azure DevOps, Jenkins, TeamCity, AppVeyor and more
OctoLinker5,287almost 3 years agoNavigate through , , , , and C#/F#/VB.NET project files efficiently with the OctoLinker browser extension for GitHub
YARP8,625almost 2 years agoYARP is a reverse proxy toolkit for building fast proxy servers in .NET using the infrastructure from ASP.NET and .NET
JSON Formatter and ValidatorA blazing fast JSON formatter and validator that won't share JSON with a server
CSharpier1,441almost 2 years agoAn opinionated code formatter for c# that is based on the printing process
UnitsNet2,679almost 2 years agoMakes life working with units of measurement just a little bit better
Another Redis Desktop Manager30,995almost 2 years agoA faster, better and more stable redis desktop manager [GUI client], compatible with Linux, Windows, Mac. What's more, it won't crash when loading massive keys
OctaneEngine237almost 2 years agoA high performance multipart downloader with many features such as pause/resume support, asynchronous progress, and throttling

Chat / Trading

Lean10,065almost 2 years agoLean Engine is an open-source fully managed C# algorithmic trading engine built for desktop and cloud usage
StockSharp7,409almost 2 years agoTrading and algorithmic trading open source platform (stock markets, forex, bitcoins and options)

Chat / UI Automation

Atata492almost 2 years agoAutomated web testing full featured framework based on Selenium WebDriver
Managed Windows APIIntrospect and automate third-party Windows / VC++ applications without needing its source code
FlaUI2,308almost 2 years agoFlaUI is a .NET library which helps with automated UI testing of Windows applications (Win32, WinForms, WPF, Store Apps, ...)
PuppeteerSharp3,450almost 2 years agoPuppeteer Sharp is a .NET port of the official Node.JS Puppeteer API
PuppeteerSharp.Contrib82almost 3 years agoContributions to Puppeteer Sharp that provides a convenient way to write readable and robust browser tests

Chat / Visual Studio Plugins

EFCore.VisualizerView Entity Framework Core query plan directly in Visual Studio
Web Essentials49over 5 years agoWeb Essentials extends Visual Studio with lots of new features that web developers have been missing for many years
VsVIM3,668over 2 years agoVIM in Visual Studio
Nuget Package ManagerNuGet is the package manager for the Microsoft development platform including .NET
SideWaffle657over 6 years agoA collection of Item Templates for Visual Studio 2012/2013/2015 that makes any web developer's life much easier
ResharperDeveloper Productivity Tool for Visual Studio
CodeContracts884almost 8 years agoSource code for the CodeContracts tools for .NET
Git Diff Margin291over 2 years agoDisplays live Git changes of the currently edited file on Visual Studio margin and scroll bar
Productivity Power ToolsA set of extensions to Visual Studio Professional (and above) which improves developer productivity
Tabs StudioVisual Studio tab manager with multiple tab rows, tab coloring and tab grouping
VSColorOutputColor highlighting for Build, Find and Debug output windows. Custom match patterns and colors can be added
CodeLineageEasy access to a cumulative diff view between file revisions (supports svn, git, mercurial, perforce)
OzCodeOzCode is a Visual Studio Extension which cuts down on debugging time and increases productivity by detecting and isolating bugs, making them easy to fix
ViEmuvery powerful Vi/vim emulator for Visual Studio supporting all basic and many advanced features of vi/vim
Roslynator3,130almost 2 years agoA collection of 500+ analyzers, refactorings and fixes for C#, powered by Roslyn
Unchase.Odata.Connectedservice45about 4 years agoA Visual Studio Connected Service for generating API client code in C# or VB for OData web service
Unchase.OpenAPI.Connectedservice109over 3 years agoA Visual Studio 2017/2019 extension to generate C# (TypeScript) HttpClient (or C# Controllers) code for OpenAPI web service with
SonarSource.sonarlint-visualstudio468almost 2 years agoSonarLint is a free, open source Visual Studio 2017, 2019 and 2022 extension that provides on-the-fly feedback to developers on new bugs and quality issues in C#, VB.NET, C/C++, TypeScript and JavaScript

Chat / Web Browsers

CefSharp9,903almost 2 years agoHTML5, CSS3 and JS web browser powered by Chromium, for WinForms and WPF
SharpBrowser901almost 3 years agoA full featured .NET web-browser built using C# and CefSharp

Chat / Web Frameworks

ASP.NET MVCASP.NET is a free web framework for building great web sites and applications
Coalesce66almost 2 years agoCoalesce is a framework for rapid-development of ASP.NET Core web applications
CodeBehind Framework63almost 2 years agoModern and powerful back-end framework under ASP.NET Core
FubuMVC428over 2 years agoA front-controller style MVC framework for .NET
NancyFx7,149over 5 years agoLightweight, low-ceremony, framework for building HTTP-based services on .NET and Mono
IISNode1,856over 2 years agoHost Node.js applications in IIS
Suave.IOFramework/library/web server that makes you cry tears of joy after finishing your project ahead-of-time when you look at the beautiful code you've written in F#
DotVVM754almost 2 years agoMVVM framework for people who don't like to write JavaScript, with OWIN and ASP.NET Core support and a free extension for Visual Studio 2015 and 2017
Giraffe2,136almost 2 years agoFunctional (F#) ASP.NET Core micro framework for building rich web applications

Chat / Web Servers

EmbedIO1,478over 3 years agoWeb server built on Mono and cross-platform
GenHTTP205almost 2 years agoA lightweight, embeddable web server for quickly creating REST APIs
SimpleW24almost 2 years agoSimple Web Server, build your RestAPI, fast, lightweight and cross-platform
XSP195over 5 years agoMono's ASP.NET hosting server. This module includes an Apache Module, a FastCGI module that can be hooked to other web servers as well as a standalone server used for testing (similar to Microsoft's Cassini)

Chat / WebSocket

Fleck2,311about 2 years agoFleck is a WebSocket server implementation in C#. Branched from the Nugget project
SignalR9,216almost 2 years agoLibrary for ASP.NET developers that makes it incredibly simple to add real-time web functionality to your applications
SuperSocket3,958almost 2 years agoSuperSocket is a light weight extensible socket application framework
Websocket-Sharp5,759almost 2 years agoA C# implementation of the WebSocket protocol client and server
WebSocket4NETWebSocket client for .NET 2.0+, Xamarin, Mono, Silverlight, Windows Phone, & WinRT
CrossertechProvides a great set of tools for you to build real-time applications on the Microsoft.NET plattform and much more
WampSharp384about 3 years agoA C# implementation of - a protocol that provides messaging patterns of Remote Procedure Calls and Publish/Subscribe over WebSockets
NetGain929over 7 years agoA high performance WebSocket server library powering Stack Overflow
Websockets.PCL98over 7 years agoWebSockets.PCL is a portable class library, profile 259, C# WebSocket implementation
Websocket.Client701over 2 years agoA multiplatform wrapper over native C# class ClientWebSocket with built-in reconnection and error handling

Chat / Windows Services

TopShelf3,584almost 5 years agoAn easy service hosting framework for building Windows services using .NET

Chat / WPF

DeftSharp.Windows.Input77almost 2 years agoA simple keyboard/mouse event handler for Windows UI applications (WPF, MAUI, Avalonia)
Data Grid Extensions834over 2 years agoModular extensions for the WPF DataGrid control, like filtering, additional column events, extended star-size column behavior, and more
Extended WPF Toolkit™3,912about 2 years agoA rich collection of controls, components and utilities for creating WPF applications
WPF7,125almost 2 years agoWPF is a .NET Core UI framework for building Windows desktop applications

Chat / Parser Library

Sprache2,374over 2 years agoA simple, lightweight library for constructing parsers directly in C# code
Pidgin931almost 2 years agoA lightweight, fast and flexible parsing library for C#, developed at Stack Overflow
FParsec532almost 3 years agoA parser combinator library for F#
Superpower1,100almost 2 years agoA C# parser construction toolkit with high-quality error reporting
CSLY377almost 2 years agoA light embedded C# lexer/parser generator
Parakeet72almost 2 years agoA recursive descent parsing library with operator overloading for C#

Chat / Source Generator

CodegenCS263about 2 years agoCode Generation Toolkit where templates are written using plain C#. Command-line tool, MSBuild task, Visual Studio Extension, and Roslyn Source Generator
M31.FluentAPI103almost 2 years agoEffortlessly generate fluent APIs for your C# classes
Supernova.Enum.Generators181almost 2 years agoA C# source generator to create an enumeration class from an enum type. With this package, you can work on enums very, very fast without using reflection

Other Lists

List of Automated Testing Tools and Frameworks for .NET553almost 2 years agoList of Automated Testing (TDD/BDD/ATDD/SBE) Tools and Frameworks for .NET
.NET-libraries-that-make-your-life-easier819over 2 years agoOpen Source .NET libraries that make your life easier
awesome-LINQ401almost 8 years agoA curated collection of awesome LINQ libraries, tools, and more
awesome-analyzers540almost 3 years agoA curated list of .NET Compiler Platform ("Roslyn") diagnostic analyzers and code fixes
C# Algorithms, Data Structures5,971about 3 years agoA list of algorithms and data structures implementations
Awesome .NET Core20,065about 2 years agoA collection of awesome .NET core libraries, tools, frameworks and software
ASP.NET Core Library and Framework Support211almost 5 years agoA list of what .NET libraries and frameworks are currently supported by ASP.NET Core and .NET Core)
Awesome .NET Performance3,161about 2 years agoA curated list of awesome .NET Performance books, courses, trainings, conference talks, blogs and most inspiring open source contributors
awesome-ddd11,343about 2 years agoA curated list of Domain-Driven Design (DDD), Command Query Responsibility Segregation (CQRS), Event Sourcing, and Event Storming resources
Awesome Unity6,696over 2 years agoA categorized community-driven collection of high-quality awesome Unity assets, projects, and resources
Awesome Xamarin1,862about 3 years agoA collection of interesting libraries/tools for Xamarin mobile projects
Awesome Roslyn673over 2 years agoA curated list of awesome Roslyn books, tutorials, open source projects, analyzers, code fixes, and refactorings
.NET Open Source Developer Projects14,453about 2 years agoThis community maintained list showcases .NET open source projects that are useful for any aspect of the development process
Awesome Microservices .NET Core2,811almost 2 years agoA collection of awesome training series, articles, videos, books, courses, sample projects, and tools for Microservices in .NET Core
dotnet-console-games865over 2 years agoGame examples implemented in .NET console applications
extra-awesome-dotnet32over 2 years agoSorted lists of awesome .NET repositories, with counts of stars, issues, and forks!

Resources

Discover .NETAwesome .NET open source and community resources
NuGet TrendsCheck out NuGet packages adoption and what's trending on NuGet
Weekly C# DigestWeekly email newsletter with manually curated top 5 links from the .NET community
ASP.NET Core Developer RoadmapA complete guide to become a ASP.NET Developer

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