awesome-ddd

A curated list of Domain-Driven Design (DDD), Command Query Responsibility Segregation (CQRS), Event Sourcing, and Event Storming resources

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Awesome Domain-Driven Design / Contents

Awesome Domain-Driven Design 11,163 about 2 months ago

Awesome Domain-Driven Design / Books

Applying Domain Driven Design with CQRS and Event Sourcing A walkthrough of using EventStorming and other modeling techniques to build a CQRS and Event Sourcing-based prototype for a fictional business domain
Architecture Modernization Concrete tools, techniques, and processes to align software architecture with your business domains, organizational design, team topologies, and corporate strategy
Collaborative Software Design A practical guide for effectively involving all stakeholders in the design of software.A practical guide for effectively involving all stakeholders in the design of software
CQRS Notes by Mark Nijhof from his experiences learning DDD and CQRS from Greg Young. There is an extensive sample project that accompanies this book
Domain-Driven Design: Tackling the Complexity at the Heart of Software The canonical book that coined the term Domain-Driven Design. Also known as the "Blue Book."
Domain-Driven Design Distilled Very good starter book before you read or
Domain-Driven Design in PHP Real examples written in PHP showcasing DDD Architectural Styles, Tactical Design, and Bounded Context Integration
Domain-Driven Rails Domain-Driven Rails describes 11 techniques (from Bounded Contexts to Event Sourcing) that you can use separately and together in new and old Rails apps to achieve better architecture
Domain Modeling Made Functional Tackle Software Complexity with Domain-Driven Design and F#
Domain Specific Languages Tangentially connected to DDD, describes the importance of the Ubiquitous Language and working together with domain experts, along with lots of technical details
Event Sourcing and CQRS with .NET Core and SQL Server A walkthrough of using Domain-Driven Design with Event Sourcing and CQRS using ASP.NET Core and SQL Server in production
Hands-On Domain-Driven Design with .NET Core Tackling complexity in the heart of software by putting DDD principles into practice by Alexey Zimarev
Implementing Domain-Driven Design Also a canonical book presenting a top-down approach to understanding Domain-Driven Design. Also known as the "Red Book."
Implementing DDD, CQRS and Event Sourcing Learn how to implement DDD, CQRS and Event Sourcing. Understand the theory and put it into practice with JavaScript and Node.js
Introducing Event Storming: An act of Deliberate Collective Learning The deepest tutorial and explanation about EventStorming, straight from the inventor
Learning Domain-Driven Design: Aligning Software Architecture and Business Strategy Learn the essential patterns and practices of domain-driven design and how to apply them in your day-to-day work, both in greenfield and brownfield projects
Microsoft .NET - Architecting Applications for the Enterprise (2nd Edition) A software architect’s digest of core practices, pragmatically applied
Patterns, Principles, and Practices of Domain-Driven Design (1st Edition) Methods for managing complex software construction following the practices, principles and patterns of Domain-Driven Design with code examples in C#
Secure by Design Shows how to use Domain-Driven Design to avoid security vulnerabilities
Specification by Example This book distills from the experience of leading teams worldwide effective ways to specify, test, and deliver software in short, iterative delivery cycles. Case studies in this book range from small web startups to large financial institutions, working in many processes including XP, Scrum, and Kanban
Versioning in an Event Sourced System Have you had troubles with versioning an Event Sourced system? Just getting into a new Event Sourced system for the first time? This book is the definitive guide of how to handle versioning over long periods of time
What is Domain-Driven Design? A quick read exploring the core patterns and principles of Domain-Driven Design, as well as strategies for applying DDD in brownfield projects
Writing Great Specifications Writing Great Specifications is an example-rich tutorial that teaches you how to write good Gherkin specification documents that take advantage of Specification by Example's benefits

Awesome Domain-Driven Design / Free eBooks

The Anatomy of Domain-Driven Design - The Infographic An infographic on the anatomy of Domain-Driven Design
Architecting Modern Web Applications with ASP.NET Core and Microsoft Azure Provides end-to-end guidance on building monolithic web applications using DDD, ASP.NET Core, and Azure
Architecture Patterns with Python A book about Pythonic application architecture patterns for managing complexity
CQRS Journey Exploring CQRS and Event Sourcing
Domain-Driven Design: The First 15 Years To celebrate the anniversary, we've asked prominent authors in the software design world to contribute old and new essays. With contributions by Martin Fowler, James Coplien, Rebecca Wirfs-Brock, Mel Conway, and many more
DDD Reference A summary of the patterns and definitions of DDD
Domain Driven Design Quickly Domain Driven Design Quickly is a short, quick-readable summary and introduction to the fundamentals of DDD
Effective Aggregate Design In this three-part series, Vaughn Vernon walks through some common design pitfalls, discusses the pros and cons of various aggregate modeling choices, and provides rules of thumb to guide modeling of aggregates
Getting Started with DDD when Surrounded by Legacy Systems Describes three strategies for getting started with DDD when you have a big commitment to legacy systems
Living Documentation by Design, with Domain-Driven Design Discover how a Living Documentation can help you in all aspects of your projects, from the business goals to the business domain knowledge, architecture and design, processes and deployment, even if you hate writing documentation
.NET Microservices: Architecture for Containerized .NET Applications An introduction to developing microservices-based applications and managing them using containers
The Semantic JavaScript Backend for Event-Driven Development A 68 pages long free ebook on what DDD, CQRS and event-sourcing are, and how they fit each other
DDD Magazine from Xebia #1 This magazine is packed with visionary and practical insights, based on personal, business, and customer experiences to support you on your DDD journey
Visual Collaboration Tools Visual Collaboration Tools is a book for teams building software. It describes tools that help us in our daily job, and also present field stories from different practitioners

Awesome Domain-Driven Design / Training Courses

Advanced Distributed Systems Design Online training course from Udi Dahan. Udi's live training schedule can be found
DDD Workshops across Europe and Online Public Workshops by Eric Evans, Alberto Brandolini, Mathias Verraes, Rebecca Wirfs-Brock, Nick Tune, and many more
DDD Workshop by Xebia public and in-house Domain-driven design workshops from foundation to professional level
Distilling Domain-Driven Design Vaughn Vernon's online training course
Domain Language eLearning Using our video lessons with Eric Evans, author of the original book on Domain-Driven Design (DDD), teach yourself techniques for evolving practical models that improve your software — not just your documents
Event Sourcery Introduction to DDD, CQRS, and Event Sourcing
EventStorming Fundamentals Course ( ) - learn the fundamentals of EventStorming. Everything about EventStorming with examples
Greg Young's CQRS Class These videos include the entirety of Greg Young's DDD, CQRS, and Event Sourcing class
Mixter 311 12 months ago CQRS and Event Sourcing Koans
Nomad PHP Introduction to Event Sourcing and CQRS
Pluralsight

Awesome Domain-Driven Design / Training Courses / Pluralsight

Domain-Driven Design Fundamentals Teaches the fundamentals of Domain-Driven Design (DDD) through a demonstration of customer interactions and a complex demo application, along with advice from Eric Evans
Domain-Driven Design in Practice A descriptive, in-depth walk-through for applying Domain-Driven Design principles in practice
Modern Software Architecture: Domain Models, CQRS, and Event Sourcing This course covers DDD analysis patterns helpful in discovering the top-level architecture of a business domain. Architects and developers will find details of implementation patterns such as Domain Model, CQRS, and Event Sourcing

Awesome Domain-Driven Design / Training Courses

Rails + Domain Driven Design Workshop Introduction to DDD, fundamentals of CQRS & Event Sourcing for Ruby/Rails developers
Reactive Architecture: CQRS and Event Sourcing This course will discuss the reasons we use CQRS/ES, what benefits it provides us, but also what it will cost us to use. We will see how CQRS/ES can impact the scalability, consistency, and availability of our application
Reactive Architecture: Domain Driven Design Use DDD to decompose a problem domain into manageable parts. Learn how those parts can become the foundation of Reactive Microservices and Reactive Architecture. Free, online, self-paced. Certificate offered upon completion
Spatie's Event Sourcing Course Learn how to build event sourced applications in Laravel using Spatie's event-sourcing package. Has 2 hours of video content and an accompanying ebook

Awesome Domain-Driven Design / Video Collections

DDD Europe Recordings of talks given at DDD Europe
SkillsCasts by SkillsMatter Searching DDD returns various talks given by Greg Young, Alberto Brandolini, and Dan North, etc
Alberto Brandolini: Event Storming A YouTube collection of talks given by Alberto Brandolini on Event Storming
GlobalAppTesting TechTalks A vimeo channel focused on DDD and CQRS
Greg Young A YouTube collection of various talks given by Greg Young
Explore DDD videos Recordings of the talks given at the Explore DDD conference
KanDDDinsky A YouTube collection of talks given at KanDDDinsky
Virtual Domain-driven design A youtube collection of recorded meetups session from Virtual Domain-driven design
Visuality DDD webinars A YouTube collection of webinars focused on DDD in Ruby on Rails
The Art of Discovering Bounded Contexts by Nick Tune Session from 2017 DevoxxUK on how to define bounded contexts

Awesome Domain-Driven Design / Community Resources

DDD/CQRS Google Group An active mailing list and an excellent resource to ask questions and learn fine-grained details about DDD/CQRS
DDD-es Google Group The Google Group to discuss Domain-Driven Design in Spanish
DDDinPHP Google Group The place to discuss Domain-Driven Design, CQRS, Event Sourcing, Model Storming, Hexagonal Architecture, Distributed Systems, Reactive... in the context of PHP
EventStorming Google Group The Google Group to discuss EventStorming
DDD in Ruby on Rails A collection of articles on Domain-Driven Design in Ruby on Rails
DDD in Ruby subreddit A subreddit for Ruby developers interested in Domain-Driven Design
DDD/CQRS/ES Discord 73 almost 2 years ago A Discord (old Slack) team for those who want to chat about Domain-Driven Design, CQRS, Event Sourcing and sometimes random things. Main channel is language and framework agnostic
Domain StoryTelling Discord A Discord team about Domain StoryTelling (#domain-storytelling channel) by . The homepage is at
Software Engineering Stack Exchange Software Engineering Stack Exchange questions tagged
Code Review Stack Exchange Code Review Stack Exchange questions tagged
Stack Overflow Stack Overflow questions tagged
Advanced Topics in Event Sourcing / CQRS / DDD 109 over 4 years ago Advanced Topics in Event Sourcing / CQRS / DDD list compiled and maintaned by @
Quora Questions tagged
wolkenkit Slack A Slack team on DDD, event-sourcing, CQRS and wolkenkit
Awesome Event Storming 2,202 about 1 month ago awesome list that focuses only on Event Storming
Awesome Domain Storytelling 187 3 months ago awesome list that focuses only on Domain Storytelling
Virtual Domain-driven design community Online meetups with panel discussions, online collaborations and resource sharing
Domain-driven design heuristics Domain-Driven Design Heuristics is a community driven site to document and discuss about Design Heuristics
Domain-Driven Design in dynamic languages GitHub 1,351 over 1 year ago GitHub's profile of Domain-Driven Design in dynamic languages
Domain-Driven Design Crew GitHub GitHub's profile of Domain-Driven Design Crew
Context Mapping by ddd-crew 1,458 7 months ago Context Mapping Cheatsheet and Starter Kit by ddd-crew
DDD North America Upcoming live training, events, and user groups across North America

Awesome Domain-Driven Design / Blogs

Nick Chamberlain Helpful development and design advice for .NET developers
Ardalis.com Steve Smith. Pluralsight author and author of course and Microsoft
DDD Weekly Weekly curated links related to DDD/CQRS/ES
Daniel Whittaker Want to learn about CQRS and Event Sourcing? This blog is packed with step-by-step articles to give you a head start
Cyrille Martraire Being so immersed in finance while still in love with programming, I’m naturally a big fan of Domain-Driven Design by Eric Evans, along with TDD, BDD and agile/XP practices
Jimmy Bogard I focus on DDD, distributed systems, and any other acronym-centric design/architecture/methodology
CodeBetter CodeBetter.Com exists in order to help foster awareness of better practices, superior tools, proven methodologies and techniques within the software development community
Greg Young Good Enough Software is By Definition Good Enough
InfoQ Blog Domain-Driven Design Content on InfoQ
Dan North Inventor of Behavior-Driven Design. Blogs and talks about Event Storming also
Mike Mogosanu Maintainable code is a business advantage. Creator of Domain Map: The Domain Modeling Tool - Easy And Powerful Domain Driven Design
Christian Posta Principal Middleware Architect @ Red Hat, open-source enthusiast, committer @ Apache, Cloud, Integration, Kubernetes, Docker, OpenShift, Fabric8
Vladimir Khorikov Pluralsight author. Blogs about software development principles and best practices
TechBeacon Articles on TechBeacon tagged
Derek Comartin Articles under the category
Alberto Brandolini Inventor of Event Storming. Asserting that problems cannot be solved with the same mindset that originated them, Alberto switches perspective frequently assuming the architect, mentor, coach, manager or developer point of view
Jérémie Chassaing Various articles about DDD/CQRS. Implemented Greg Young's SimpleCQRS sample in F#
Vaughn Vernon Vaughn Vernon understands the unique demands of software development and the challenges you face as you improve your craft in a fast-paced industry
Vladik Khononov Various DDD-related articles
Eventsourcing Publications Practical event sourcing
Jef Claes Excellent articles and talks on Domain-Driven Design
Udi Dahan From the creator of NServiceBus
Chris Patterson From the creator of the MassTransit distributed application framework
Aaron Stannard From the CTO and co-founder of Petabridge, developers of the Akka.NET Actor Model framework
Roger Johansson Mostly C#, DDD, and Akka.NET
Konrad Garus Ranting and Programming in Java, Clojure, and JavaScript. Articles tagged under
Oasis Digital Content by Oasis Digital tagged under
Adaptech Adaptech Solutions blog. Our founder, Adam Dymitruk, debated the merits of CQRS with Greg Young before Greg coined the term. Adam and business partner Robert Reppel are among the leading practitioners of event-sourced microservices
Lev Gorodinski Several articles about DDD from 2013, which are still relevant
Dino Esposito Software architect, trainer, book author. Author of
Dan Bergh Johnsson "Dear Junior" Domain-Driven Design mixed with security, and agile in general. Written as fictional letters to a younger programmer
the native web DDD & Co. series
Arkency Various DDD, CQRS, Event Sourcing related articles from Ruby experts
Svaťa Šimara DDD series - language, domain, modeling, infrastructure, implementation in PHP
Martin Havlišta DDD, CQRS, TDD blog posts with code samples in C# .NET
Khalil Stemmler DDD series introduction and talk about how to implement DDD with TypeScript
Kenny Baas-Schwegler DDD, BDD, Socio-technical, EventStorming and continuous delivery blogs
João Rosa Personal blog about Domain-Driven Design, Visual Collaboration, leadership and organisational design. And other things in between. Curator of and host of the
GlobalAppTesting engineering GlobalAppTesting's engineering blog with materials on practical DDD and CQRS

Awesome Domain-Driven Design / Sample Projects / GO

BDD in GO 3 over 1 year ago Sample app demonstrating the use of Cucumber + GO for a BDD testing approach. Blog post can be found
Citerus DDD Sample App GO Port 2,393 almost 3 years ago This is an attempt to port the to idiomatic Go. It can be run in a dockerized mode for previewing the application
DDD by Refactoring 5,205 about 1 year ago Complete serverless application to show how to apply DDD, Clean Architecture, and CQRS by practical refactoring of a Go project. A full blog series about it can be found at
DDD Food App 652 almost 3 years ago Sample DDD application implementing the 4 layers (Domain, Infrastructure, Application and Interface) and considering two domain patterns. There's a blog article written for it
DDD Sample in GO 285 about 5 years ago Just another sample application implementing the four layers of DDD
Evolutive CRUD API 77 about 3 years ago API implementation with full CRUD using a SOLID, Hexagonal Architecture. There is a series of blog post written for it at
Simple Hexagonal Architecture PoC API 31 almost 4 years ago PoC for a patients API using the hexagonal architecture pattern
Azure DDD boilerplate 0 11 months ago A boilerplate project for DDD in Azure using a custom handler and Cosmos DB for event sourcing

Awesome Domain-Driven Design / Sample Projects / .NET (C#/F#)

Better code with DDD building blocks 314 5 months ago solution presents usage of DDD tactical patterns to achieve better readability and expressiveness of the code. Applying DDD patterns together with ubiquitous language closes the gap between language spoken by experts and the team and language used in the code
CQRS-DDD Example 132 over 10 years ago Domain Driven Design, CQRS, & Event Sourcing Example using GetEventStore, CommonDomain, NServiceBus, Entity Framework, SQL Server, SignalR
Companion Code for Microsoft .NET Architecting Applications for the Enterprise 498 over 1 year ago An event based Micro ERP
ContosoUniversityCore 591 almost 7 years ago ContosoUniversity on ASP.NET Core with Full .NET Framework
DDD-starter-dotnet 391 2 months ago Sample implementation and comparison of various approaches to building DDD applications. Useful as a baseline to quickly start a DDD .net project
DDDInventoryItemFSharp 185 over 3 years ago An idiomatic F# implementation of Domain-Driven Design
DDDSkeletonNet 180 over 10 years ago (C#) - a .NET skeleton project to introduce the concepts of Domain Driven Design and loosely coupled layers
DotNet CQRS Intro 140 over 5 years ago Examples of implementation CQRS with Event Sourcing - evolutionary approach (no CQRS, separate models and commands with the same model, separate models and commands with separate models, separate storage engines, event sourcing)
EISK .NET CLI and VS Templates with simple use cases to build scalable applications on top of .net core with architectural best practices (DDD, onion architecture etc)
EmailMaker 13 over 1 year ago Email marketing ASP.NET Core MVC and ASP.NET MVC demo app demonstrating usage
Equinox Project 6,388 2 months ago Full ASP.NET Core 3.1 application with Clean Architecture, DDD, CQRS and Event Sourcing concepts
eShopOnWeb 10,144 5 months ago Full ASP.NET Core 3.1 reference application from Microsoft showing monolithic deployment architecture
eShopOnContainersDDD 317 over 1 year ago eShop fullstack example featuring catalog, basket, checkout, and order bounded contexts
Example of Domain-Driven Design in F# Example of Domain Driven Design for the game of checkers. There are two files: a scratch file with a series of designs, and a final version
Event Sourcing .NET 3,379 29 days ago samples and resources about Event Sourcing and CQRS in .NET. Contains also a self-paced kit of how to built own Event Store
EventFlow.Example 201 over 1 year ago DDD, CQRS, and Event-Sourcing example and contains following technology stack: , , , , ,
Fohjin 701 over 1 year ago Example project that accompanies Mark Nijhof's book
FsUno 76 about 10 years ago Event sourcing implementation sample in F#
IDDD Samples in .NET 924 about 2 years ago These are the sample Bounded Contexts for C#.NET from the book "Implementing Domain-Driven Design" by Vaughn Vernon
Microsoft Patterns and Practices: CQRS Journey Sample Code 1,387 about 4 years ago Sample code from CQRS Journey
Modular Monolith 10,982 4 months ago Full Modular Monolith .NET application with Domain-Driven Design approach
NLayerAppV3 155 about 6 years ago (.Net Core Preview 2) - a N-Layered Architecture Sample Project
Photostock CQRS-DDD Example 7 almost 3 years ago
Reactive Trader Cloud 1,829 5 days ago Reactive Trader Cloud by Adaptive Consulting
Sample .NET Core CQRS REST API 2,872 7 months ago .NET Core REST API CQRS implementation with raw SQL and DDD using Clean Architecture
Scritchy 68 over 1 year ago CQRS without the Plumbing,
Simple CQRS in F# 73 over 12 years ago Greg Young's SimpleCQRS in F#
SimpleCQRS 2,133 8 months ago Greg Young's "Simplest Thing" CQRS with Event Sourcing project
TaskoMask 676 30 days ago Task management system based on .NET Core with DDD, CQRS and Event Sourcing Concepts
TodoMVC-DDD-CQRS-EventSourcing 252 over 1 year ago Implementation of basic Todo app via tastejs/todomvc in C#/Typescript with eventsourcing, cqrs, and domain driven design

Awesome Domain-Driven Design / Sample Projects / Haskell

Eventuria gsd 51 about 5 years ago Haskell todo list reactive application with DDD, CQRS and Event Sourcing, FRP

Awesome Domain-Driven Design / Sample Projects / Idris

OrderTaking Dependently typed implementation of the Domain Modeling Made Functional book. An example project how to formalize Bounded Context and Workflow diagram with dependent types. A NodeJS deployable demo

Awesome Domain-Driven Design / Sample Projects / JavaScript / TypeScript

wolkenkit Sample Applications A collection of DDD sample applications, such as TodoMVC, a geocaching app, collaborative boards etc
Booster framework examples 414 20 days ago Example applications built with Booster Framework
Over-engineered ToDo app 1,175 4 months ago Complete working example of using Domain Driven Design (DDD), Hexagonal Architecture, CQRS, Event Sourcing (ES), Event Driven Architecture (EDA), Behaviour Driven Development (BDD) using TypeScript and NestJS generated using the

Awesome Domain-Driven Design / Sample Projects / JVM languages

Akka CQRS ES Demo 57 about 8 years ago Demo project to implement the CQRS and Event Sourcing patterns in Scala-Akka
DDD By Examples - Library 4,705 about 1 year ago sample project of a library driven by real business requirements. Modular monolith implemented with the help od DDD, BDD, EventStorming, Example Mapping, CQRS, and more
DDD Leaven 863 10 months ago DDD-CQRS sample v2.0 project that helps you with starting out advanced domain modeling using Spring, JPA and testing
DDD Workshop - Project Manager 63 over 1 year ago "Do It Yourself" DDD workshop and a sample DDD application at the same time. Based on a project managing domain
Event Sourcing Example 97 over 7 years ago A simplified (in memory) example of Event Sourcing and CQRS implementation for Java code (modeled for banking domain use cases)
Event Sourcing and CQRS Examples 558 22 days ago A pragmatic application of Event Sourcing and CQRS in Java with good references for common related problems, e.g. event ordering and idempotency
Event Sourcing and CQRS Sample 468 over 6 years ago Sample event sourced application with Command Query Responsibility Segregation
IDDD Samples 3,766 about 1 year ago These are the sample Bounded Contexts from the book "Implementing Domain-Driven Design" by Vaughn Vernon
Java CQRS Intro 200 about 4 years ago Examples of implementation CQRS with Event Sourcing - evolutionary approach (no CQRS, separate models and commands with the same model, separate models and commands with separate models, separate storage engines, event sourcing)
Kotlin DDD Sample 288 about 4 years ago Sample DDD/CQRS project written in Kotlin
EventStormingWorkshop - Designing Cloud Native Microservices On AWS 312 almost 2 years ago A concrete sample to go through EventStorming workshop and implement DDD tactical design pattern in Java, apply AWS cloud native services to build up business Event based Coffeeshop scenario
DDDSample 4,975 3 months ago Sample DDD project using Spring Boot (originally hosted in )
Eclipse CargoTracker This project demonstrates how you can develop applications with the Jakarta EE platform using widely adopted architectural best practices like Domain-Driven Design (DDD). is intended to mirror a non-trivial application that developers in the real work would work on. It attempts to demonstrate first-hand how you can use Jakarta EE to effectively meet practical enterprise concerns such as productivity, agility, testability, flexibility, maintainability, scalability and security. The project is directly based on the well known original developed by DDD pioneer Eric Evans' company Domain Language and the Swedish software consulting company Citerus
https://github.com/felipexw/clean-arch-ddd-intro 20 over 3 years ago Simple DDD + Clean Architecture using Micronaut

Awesome Domain-Driven Design / Sample Projects / PHP

CodefyPHP Framework 15 13 days ago A PHP framework for codefying and building complex applications using Domain-Driven Design, CQRS, and Event Sourcing
DDD CQRS Todo Sample 356 over 1 year ago DDD CQRS ADR hexagonal architecture implementation built with PHP 7 and Symfony 5
DDD Wish List 201 about 7 years ago A sample application in PHP built with Symfony 3 and Vue.js
DDD Playground 594 over 2 years ago Sample implementation in PHP
Eric Evans DDD Cargo Sample 796 almost 6 years ago PHP 7 Version of the cargo sample used in Eric Evans DDD book
Shop Cart in PHP 102 over 1 year ago Sample project that demonstrates how simple shop cart can look like. Domain objects,Doctrine integration.,TDD,layers,unit testing
Symfony 5 DDD ES CQRS backend 1,069 3 months ago DDD, CQRS and Event Sourcing app using Symfony and PHP 8

Awesome Domain-Driven Design / Libraries and Frameworks / GO

Ginkgo 8,261 10 days ago Ginkgo builds on Go's testing package, allowing expressive Behavior-Driven Development ("BDD") style tests
GOBDD 115 10 days ago Small BDD framework for GO
GoConvey 8,237 2 months ago Go testing in the browser. Integrates with . Write behavioral tests in Go
Godog 2,298 13 days ago Package godog is the official Cucumber BDD framework for Golang, it merges specification and test documentation into one cohesive whole, using Gherkin formatted scenarios in the format of Given, When, Then

Awesome Domain-Driven Design / Libraries and Frameworks / .NET

Aggregates.NET 441 8 months ago .NET event sourced domain driven design model via NServicebus and GetEventStore
AggregateSource 256 over 2 years ago Lightweight infrastructure for doing eventsourcing using aggregates
Akka.NET Akka.NET is a toolkit and runtime for building highly concurrent, distributed, and fault tolerant event-driven applications on .NET & Mono
ABP Successor of ASP.NET Boilerplate - ASP.NET Core based application framework to create NLayered, Domain Driven Designed web applications with a microservice focused modular architecture
ASP.NET Boilerplate ASP.NET MVC, Web API and ASP.NET Core based application framework to create NLayered, Domain Driven Designed web Applications implementing best practices
ByValue 9 over 2 years ago This library helps to create ValueObjects (even with collection properties) with properly implemented equality behavior
Cedar.CommandHandling Middleware to handling commands over HTTP; typically used in CQRS applications
Cirqus 233 over 2 years ago d60 event sourcing + CQRS framework
CommandQuery 107 about 1 month ago Command Query Separation for 🌐ASP.NET Core ⚡AWS Lambda ⚡Azure Functions ⚡Google Cloud Functions 🌐ASP.NET Web API 2
CoreDdd 69 12 months ago Set of open-source .NET libraries helping with DDD and CQRS, with NHibernate persistence
CQRS on Azure 26 over 5 years ago CQRS on Windows Azure
Dolittle Build better applications with Dolittle. An Event Sourced, Microservice platform oriented around DDD with developer productivity and simplicity front and center
Edument CQRS and Intentful BDD Testing Starter Kit Library and tutorial for how to build CQRS/ES applications, including a BDD style testing framework
EventFlow 2,364 2 months ago Async/await first CQRS+ES and DDD framework for .NET
Core.EventStore 5 over 1 year ago A library to facilitate communication between CommandService and QueryService. The Idea is when any event occures in commandService, it should be persisted in QueryService in MongoDb
Its.Cqrs 77 almost 7 years ago A set of libraries for CQRS and Event Sourcing, with a Domain-Driven Design flavor
Marten 2,804 9 days ago Postgresql as a Document Database and Event Store for .Net Applications
MassTransit 6,906 3 days ago Distributed Application Framework for .NET
MediatR 11,050 24 days ago Supports request/response, commands, queries, notifications and events, synchronous and async with intelligent dispatching via C# generic variance
MessageRouter Described in this video: by Paulmichael Blasucci at the New York F# .NET User Group
NetDevPack A smart set of common classes and implementations to improve your development productivity using .NET (DDD, CQRS, Specification Pattern, MediatR, Validations, Notifications)
NEventStore 1,579 about 1 year ago A persistence library used to abstract different storage implementations when using event sourcing as storage mechanism
NServiceBus 2,080 3 days ago Service bus for .NET
Projac 137 almost 2 years ago Projac is a set of projection libraries that allow you to write projections targetting various backing stores
shriek-fx 662 almost 2 years ago An simple,elegant and useful Domain-Driven Design and CQRS framework developed using .NET Core 2.0
SqlStreamStore 4 about 2 years ago .NET Stream Store library targeting SQL based implementations
Streamstone 391 4 months ago Event Store for Azure Table Storage
Stringly.Typed 47 almost 6 years ago Making it easier to convert strings to/from .NET types
Xer.Cqrs 101 over 6 years ago A 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

Awesome Domain-Driven Design / Libraries and Frameworks / Databases

Event Store The open-source, functional database with Complex Event Processing in JavaScript
Eventsourcing Business event capture and querying framework
Message DB 1,620 6 months ago Microservice Native Event Store and Message Store for Postgres. A fully-featured event store and message store implemented in PostgreSQL for Pub/Sub, Event Sourcing, Messaging, and Evented Microservices applications
Serialized Complete platform for Event Sourcing & CQRS

Awesome Domain-Driven Design / Libraries and Frameworks / Elixir

Commanded 1,839 6 days ago Command handling middleware for CQRS/ES applications, Pure Functional Data Structures for Aggregates and Process Managers, Point-to-Point message routing, and much more in Elixir (Erlang VM) - All in Actor concurrency model
Event Bus 698 over 1 year ago Traceable, extendable and minimalist event bus implementation for Elixir with built-in event store and event watcher based on ETS
eventstore 1,038 5 months ago CQRS event store using PostgreSQL for persistence

Awesome Domain-Driven Design / Libraries and Frameworks / JavaScript / TypeScript

cqrs.js CQRS implementations in node.js. Includes , , ,
wolkenkit A CQRS, DDD, and event-sourcing framework for JavaScript and Node.js
Bitloops Language (BL) 344 25 days ago Open-source, 4th-generation, transpiled programming language that helps you write clean code, well-designed systems, and build high-quality software that is testable, auditable and maintainable using DDD and Hexagonal Architecture
Booster A CQRS, DDD and event-sourcing open-source framework that leverages all the infrastructure and uses high-level abstractions and conventions. It help users build advanved even-driven applications letting them focus on business logic exclusively
Node API Boilerplate 3,312 over 1 year ago NodeJS web API boilerplate for DDD and Clean Architecture applications

Awesome Domain-Driven Design / Libraries and Frameworks / JVM

akka-ddd 352 almost 3 years ago Reusable artifacts for building applications on top of the Akka platform following CQRS/DDDD-based approach
Apache Isis Apache Isis is a framework for rapidly developing domain-driven apps in Java
Axon Framework The axon framework is focused on making life easier for developers that want to create a java application based on the CQRS principles
DDDplus framework 1,116 about 1 year ago A lightweight flexible development framework for complex business architecture based on DDD
JESA 9 about 8 years ago Event sourced aggregates for Java
Lagom The Lagom Framework is a microservices framework for the Java Virtual Machine, with APIs for the Java and Scala languages. It includes an Event Sourcing/CQRS based persistence module
SeedStack's Business Framework A set of building blocks that enable you to code business logic according to the Domain-Driven Design (DDD) approach
Spine Event Engine a CQRS/ES framework for building cloud applications. Defines Bounded Contexts with their Commands, Events, and Entity states in Protobuf. The backend logic is written in Java, on top of the Proto-generated code. Client code in Java, JS or Dart communicates with the backend via gRPC
Ahoo-Wang/Wow 179 4 days ago A Modern Reactive CQRS Architecture Microservice development framework based on DDD and EventSourcing

Awesome Domain-Driven Design / Libraries and Frameworks / PHP

Broadway 1,489 23 days ago Broadway is a (PHP) project providing infrastructure and testing helpers for creating CQRS and event sourced applications
Ecotone Enables message driven architecture in PHP and provides building blocks to follow DDD and CQRS principles
PHP Glossary 5 6 months ago Apply a Term Analysis to extract domain terms vs out-of-scope terms in a DDD manner

Awesome Domain-Driven Design / Libraries and Frameworks / Python

Eventsoucing in Python 1,452 about 1 month ago Mature, stable Python library for event sourcing and DDD. Supports wide variety of databases, different kinds of orderings of domain events, application level encryption, snapshotting, optimistic concurrency control, and process events. Applications, and entire systems of applications, can be defined independently of infrastructure, and run in different ways (single threaded, multi-threaded, clocked, stepping, multi-process, actor model) and with different infrastructure
dry-python A set of libraries for pluggable business logic components
PyAssimilator 204 about 1 year ago Quickly create DDD Python patterns, Event-Based Systems, CRUD applications. Set of Python patterns for database access that support SQLAlchemy, MongoDB, Redis, or Pure Python. PyAssimilator allows you to write code without dependencies, meaning you can switch SQL to NoSQL without changing a single file in your system

Awesome Domain-Driven Design / Libraries and Frameworks / Ruby

Eventide Event Sourcing and Microservices Stack for Ruby. A set of libraries for writing event driven, autonomous services
Rails Event Store Rails Event Store (RES) is a library for publishing, consuming, storing and retrieving events. It's your best companion for going with an event-driven architecture for your Rails application

Awesome Domain-Driven Design / Podcasts and Interviews

Deeper into DDD on DotNetRocks with David Real 11 June 2015
Thinking in DDD on DotNetRocks with Julie Lerman and Steve Smith 19 August 2014
Eric Evans on Domain Driven Design on DotNetRocks 10 May 2007
Jimmy Nilsson on Domain Driven Design on DotNetRocks 29 August 2006
Being the Worst 2012 thru 2016
Software Engineering Radio Episode 225: Eric Evans on Domain-Driven Design at 10 Years 13 May 2015
Software Engineering Radio Episode 218: Udi Dahan on CQRS (Command Query Responsibility Segregation) 30 January 2015

Awesome Domain-Driven Design / Conferences

Domain-Driven Design Europe The Leading DDD conference (online during COVID19)
EventSourcing A new event for the CQRS/EventSourcing community
DDD Foundations A curated conference for DDD newcomers
Explore DDD - USA
Kandddinsky - Germany

Awesome Domain-Driven Design / User Groups

Collective CFP Submit your talks to all the DDD user groups at once
Map of user groups in Europe
Map of user groups in North America
Map of user groups in Asia
Map of user groups in Africa
Virtual
Worldwide Specific about EventStorming
Austria
Barcelona
Belfast
Belgium
Berlin
Cologne/Bonn
Copenhagen
Cracow
DDD Taiwan Community
Denver
Iran
Greece
Hamburg
London
Munich
Nederland
Norway
Phoenix
Warsaw
Wroclaw
Russia

Awesome Domain-Driven Design / Tools

Domain Storytelling a knowledge-crunching technique that helps the people involved to familiarize themselves with the domain and work out a model that expresses their shared understanding. Available as a , as well as open-source online tool, ( )

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