awesome-ruby

A Ruby on Rails framework for creating elegant backends for website administration

ActiveScaffold

ActiveScaffold provides quick and powerful user interfaces for CRUD (create, read, update, delete) operations for Rails applications. It's excellent for generating admin interfaces, managing Data-Heavy Applications, creating Widgets or for quick prototyping. ActiveScaffold is completly customizable and offers a bunch of additional features including searching, pagination, layout control and overrides of fields, forms and templates

Administrate

A Rails engine that helps you put together a super-flexible admin dashboard, by Thoughtbot

Avo is the modern approach to building an advanced admin panel that can be used by the entire organization. It has all the tools an admin panel needs and more. We have carefully made sure that you have all the escape hatches you need to ensure you can build your next admin panel for Ruby on Rails incredibly fast and easily

A simple to use Rails-Engine-Gem that offers an admin interface for trusted user

Hot Glue

Hot Glue takes a different approach to building both admin and user dashboards. It is a code generation tool like the Rails scaffold generator but with significantly more features. Instead of providing a lot of configuration options, Hot Glue can generate your code. Good for lists & CRUD views for both admin and user-facing dashboards

MotorAdmin

A low-code Admin panel and Business Intelligence Rails engine. No DSL - configurable from the UI

RailsAdmin

A Rails engine that provides an easy-to-use interface for managing your data

Trestle

A modern, responsive admin framework for Rails. Build a back-end in minutes that will grow with the needs of your application

ActiveAnalytics

First-party, privacy-focused traffic analytics for Ruby on Rails applications

Ahoy

A solid foundation to track visits and events in Ruby, JavaScript, and native apps

Impressionist

Rails Plugin that tracks impressions and page views

Legato

Model analytics reports and queries against the official Google Analytics Reporting API

Rack::Tracker

Rack middleware that can be hooked up to multiple services and exposing them in a unified fashion

Staccato

Track analytics into the official Google Analytics Collection API

ActiveModel::Serializers

JSON serialization of objects

Acts_As_Api

Easy And Fun, in creating XML/JSON responses in Rails 3,4,5 and 6

Alba

A JSON serializer for Ruby, JRuby and TruffleRuby

Blanket

A dead simple API wrapper

Blueprinter

Simple, Fast, and Declarative Serialization Library for Ruby

cache_crispies

Speedy Rails JSON serialization with built-in caching

Crepe

The thin API stack

An opinionated micro-framework for creating REST-like APIs in Ruby

Her

an ORM that maps REST resources to Ruby objects. Designed to build applications that are powered by a RESTful API instead of a database

jbuilder

Create JSON structures via a Builder-style DSL

– Efficient and convenient JSON API (de)serialization library

jsonapi-serializer

A fast JSON:API serializer for Ruby Objects

JSONAPI::Resources

JSONAPI::Resources, or "JR", provides a framework for developing a server that complies with the JSON API specification

JSONAPI::Utils

JSONAPI::Utils is built on top of JSONAPI::Resources taking advantage of its resource-driven style and bringing an easy way to build modern JSON APIs with no or less learning curve

Jsonite

A tiny, HAL-compliant JSON presenter for your APIs

Pliny

Opinionated template Sinatra app for writing excellent APIs in Ruby

rabl

General ruby templating with json, bson, xml, plist and msgpack support

Roar

Resource-Oriented Architectures in Ruby

Spyke

Interact with REST services in an ActiveRecord-like manner

Version Cake

An unobtrusive way to version APIs in your Rails app

versionist

A plugin for versioning Rails based RESTful APIs

Asset Sync

Synchronises Assets between Rails and S3

Autoprefixer

Parse CSS and add vendor prefixes to rules by Can I Use

Bourbon

A Lightweight Sass Tool Set

bower-rails

Bower support for Rails projects

Emoji

Exposes the Phantom Open Emoji library unicode/image assets and APIs for working with them

Less Rails

The dynamic stylesheet language for the Rails asset pipeline

Bundler to Bower proxy

Sass makes CSS fun again

Shakapacker

Use Webpack to manage app-like JavaScript modules in Rails. (Official and actively maintained successor to rails/webpacker)

Sprockets

Rack-based asset packaging system

Torba

Bower-less bundler for Sprockets

Vite Ruby

Use Vite.js as a modern assets pipeline in Ruby and Rails apps

API Guard

JWT authentication solution for Rails APIs

Authentication Zero

An authentication system generator for Rails applications

Authlogic

Authlogic is a clean, simple, and unobtrusive ruby authentication solution

Clearance

Small and simple email & password based authentication for Rails

Devise

A flexible authentication solution for Rails based on Warden

JWT

JSON Web Token implementation in Ruby

Monban

A very simple and extensible user authentication library for rails

OmniAuth

A library that standardizes multi-provider authentication utilizing Rack middleware

Rodauth

Authentication and account management framework for Rack applications

Sorcery

A stripped-down, bare-bones authentication library for Rails

warden

General Rack Authentication Framework

Doorkeeper

An OAuth2 provider for Rails

OAuth2

A Ruby wrapper for the OAuth 2.0 protocol

A rodauth OAuth and OpenID provider plugin

acl9

Acl9 is a role-based authorization system that provides a concise DSL for securing your Rails application

AccessGranted

Multi-role and whitelist based authorization gem for Rails

ActionPolicy

Authorization framework for Ruby and Rails applications. Composable, extensible and performant

CanCanCan

Continuation of CanCan, an authorization Gem for Ruby on Rails

Consul

A scope-based authorization solution for Ruby on Rails

Petergate

Easy to use and read action and content based authorizations

Pundit

Minimal authorization through OO design and pure Ruby classes

ActiveWorkflow

An intelligent process and workflow automation platform based on software agents

Danger

Automate your team's conventions surrounding code review

Huginn

Huginn is a system for building agents that perform automated tasks for you online

Neovim

Ruby bindings for Neovim to make your own neovim editor plugins in Ruby

Runbook

A framework and Ruby DSL for progressive system automation

Breadcrumbs on Rails

A simple Ruby on Rails plugin for creating and managing a breadcrumb navigation for a Rails project

Gretel

A Ruby on Rails plugin that makes it easy yet flexible to create breadcrumbs

loaf

Manages and displays breadcrumb trails in Rails app - lean & mean

Simple Navigation

A ruby gem for creating navigation (html list, link list or breadcrumbs with multiple levels) for your Rails 2, 3 & 4, Sinatra or Padrino

ActiveInteraction

Manage application specific business logic

Interactor

Interactor provides a common interface for performing complex interactions in a single request

Light Service

Series of Actions with an emphasis on simplicity

Mutations

Compose your business logic into commands that sanitize and validate input

Surrounded

Encapsulated related objects in a single system to add behavior during runtime. Extensible implementation of DCI

Waterfall

A slice of functional programming to chain ruby services and blocks, thus providing a new approach to flow control

wisper

A micro library providing Ruby objects with Publish-Subscribe capabilities

Action caching for Action Pack

Action caching for Action Pack

Dalli

A high performance pure Ruby client for accessing memcached servers

Garner

A set of Rack middleware and cache helpers that implement various caching strategies

IdentityCache

A blob level caching solution to plug into ActiveRecord

Kashmir

Kashmir is a Ruby DSL that makes serializing and caching objects a snap

Readthis

High performance, pooled, ActiveSupport compliant caching with Redis

Record Cache

Cache Active Model Records in Rails 3

Redis Store provides a full set of stores (Cache, I18n, Session, HTTP Cache) for modern Ruby frameworks like: Ruby on Rails, Sinatra, Rack, Rack::Cache and I18n. It supports object marshalling, timeouts, single or multiple nodes, and namespaces

Second Level Cache

Write-Through and Read-Through caching library for ActiveRecord 4

ActsAsTextcaptcha

Protection for Rails models with text-based logic question captchas (from Rob Tuley's textcaptcha.com)

Invisible Captcha

Unobtrusive and flexible spam protection based on the honeypot strategy. It also provides a time-sensitive form submission

Rakismet

Easy Akismet and TypePad AntiSpam integration for Rails

reCAPTCHA

reCaptcha API helpers for ruby apps

Voight-Kampff

A Ruby gem that detects bots, spiders, crawlers and replicants

Clamp

A command-line application framework

An advanced command line parser supporting nested commands

Commander

The complete solution for Ruby command-line executables

dry-cli

General purpose Command Line Interface (CLI) framework for Ruby

GLI

Git-Like Interface Command Line Parser

Main

A class factory and DSL for generating command line programs real quick

Optimist

A commandline option parser for Ruby that just gets out of your way

Rake

A make-like build utility for Ruby

Runfile

Build command line applications per project with ease. Rake-inspired, Docopt inside

Slop

Simple Lightweight Option Parsing

Terrapin

A small command line library (Formerly Cocaine)

A toolkit for building powerful command-line interfaces

TTY

Toolbox for developing CLI clients

Awesome Print

Pretty print your Ruby objects with style -- in full color and with proper indentation

Betty

Friendly English-like interface for your command line. Don't remember a command? Ask Betty

colorize

Extends String class or add a ColorizedString with methods to set text color, background color and text effects

colorls

Beautifies the command, with color and font-awesome icons

formatador

STDOUT text formatting

Paint

Simple and fast way to set ANSI terminal colors

Pastel

Terminal output styling with intuitive and clean API

Ru

Ruby in your shell

Ruby/Progressbar

The most flexible text progress bar library for Ruby

Tabulo

Plain text table generator with a DRY, column-based API

TablePrint

Slice your data from multiple DB tables into a single CLI view

Terminal Table

Ruby ASCII Table Generator, simple and feature rich

Tmuxinator

Create and manage complex tmux sessions easily

Whirly

A simple, colorful and customizable terminal spinner library for Ruby

AWS SDK for Ruby

The official AWS SDK for Ruby

browse-everything

Multi-provider Rails engine providing access to files in cloud storage

Fog

The Ruby cloud services library

humidifier

Programmatically generate and manage AWS CloudFormation templates, stacks, and change sets

A powerful, userfriendly and flexible Open Source Rails CMS

Avo is a very custom Content Management System for Ruby on Rails that saves engineers and teams months of development time. It's designed to use your app's database structure, uses configuration instead of traditional methods, and when configuration isn't enough, it falls back to writing regular Rails code that you're used to

A dynamic and advanced content management system based on Ruby on Rails 4

ComfortableMexicanSofa

Powerful Rails 5.2+ CMS Engine

Fae

Flexible, open source, Rails CMS engine

An open source page builder with an sleek UI

A simple but powerful CMS based on Liquid templates and Mongodb database

Publify

A self hosted Web publishing platform on Rails

A next generation, open source content management system for Ruby on Rails

A no-fluff, open source content management system designed for small teams

An open source Ruby on Rails content management system for Rails 5.2+

Manage content files in Rails with the same features you'd expect from static site generators like Jekyll, Middleman, and Bridgetown

A beautiful CMS for Rails developers

Storytime

Rails 4+ CMS and blogging engine, with a core focus on content

Brakeman

A static analysis security vulnerability scanner for Ruby on Rails applications

Coverband

Rack middleware to help measure production code coverage

Fasterer

Make your Rubies go faster with this command line tool highly inspired by fast-ruby and Sferik's talk at Baruco Conf

Flay

Flay analyzes code for structural similarities. Differences in literal values, variable, class, method names, whitespace, programming style, braces vs do/end, etc are all ignored. Making this totally rad

Flog

Flog reports the most tortured code in an easy to read pain report. The higher the score, the more pain the code is in

Complexity analysis tool with a rich web front-end

MetricFu

A fist full of code metrics

Pippi

A utility for finding suboptimal Ruby class API usage, focused on runtime analysis

Pronto

Quick automated code review of your changes

rails_best_practices

A code metric tool for rails projects

Reek

Code smell detector for Ruby

Rubycritic

A Ruby code quality reporter

Scientist

A Ruby library for carefully refactoring critical paths

SimpleCov

Code coverage for Ruby 1.9+ with a powerful configuration library and automatic merging of coverage across test suites

Sorbet

A static type checker for Ruby

Suture

A Ruby gem that helps you refactor your legacy code

Traceroute

A Rake task gem that helps you find the dead routes and actions for your Rails 3+ app

niceql

A dependentless SQL and SQL errors formatting and colorizing. ActiveRecord seemless integration

prettier

A prettier plugin for the Ruby language

RuboCop

A static code analyzer, based on the community Ruby style guide

Rubocop Rails

A RuboCop extension focused on enforcing Rails best practices and coding conventions

Rubocop Rspec

Code style checking for RSpec files

Rubocop Performance

A RuboCop extension focused on code performance checks

Standard

Ruby Style Guide, with linter & automatic code fixer

CodeRay

Fast and easy syntax highlighting for selected languages

pygments.rb

A Ruby wrapper for the Python pygments syntax highlighter

Rouge

A pure Ruby code highlighter that is compatible with Pygments

Zeitwerk

An efficient and thread-safe Ruby code loader

Best-Ruby

Ruby Tricks, Idiomatic Ruby, Refactoring & Best Practices

fast-ruby

Writing Fast Ruby. Collect Common Ruby idioms

Fundamental Ruby

Fundamental programming ruby with examples. Threads, design patterns, data structures, OOP SOLID principle, algorithms

Rails style guide

Community-driven Rails best practices and style for Rails 3 and 4

RSpec style guide

Better Specs { rspec guidelines with ruby }

A webpage showing awesome names for different Ruby operators

Ruby style guide

Community-driven Ruby coding style

Concurrent Ruby

Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns

EventMachine

An event-driven I/O and lightweight concurrency library for Ruby

forkoff

brain-dead simple parallel processing for ruby

Parallel

Run any code in parallel Processes (> use all CPUs) or Threads (> speedup blocking operations). Best suited for map-reduce or e.g. parallel downloads/uploads

Polyphony

Fine-grained concurrency for Ruby

Chamber

Surprisingly customizable convention-based approach to managing your app's configuration

Configatron

Simple and feature rich configuration system for Ruby apps

Configus

Helps you easily manage environment specific settings

dotenv

Loads environment variables from

Econfig

Flexible configuration for Rails applications

ENVied

ensure presence and type of your app's ENV-variables

Envyable

The simplest YAML to ENV config loader

Figaro

Simple, Heroku-friendly Rails app configuration using and a single YAML file

Global

Provides accessor methods for your configuration data

RailsConfig

Multi-environment yaml settings for Rails3

Sail

A lightweight Rails engine that brings an admin panel for managing configuration settings on a live Rails app

ActiveSupport

A collection of utility classes and standard library extensions

Addressable

Addressable is a replacement for the URI implementation that is part of Ruby's standard library. It more closely conforms to RFC 3986, RFC 3987, and RFC 6570 (level 4), providing support for IRIs and URI templates

Bitwise

Fast, memory efficient bitwise operations on large binary strings

Finishing Moves

Small, focused, incredibly useful methods added to core Ruby classes. Includes the endlessly useful

Docile

A tiny library that lets you map a DSL (domain specific language) to your Ruby objects in a snap

dry-rb is a collection of next-generation Ruby libraries, each intended to encapsulate a common task

Hamster

Efficient, immutable, and thread-safe collection classes for Ruby

Hanami::Utils

Lightweight, non-monkey-patch class utilities for Hanami and Ruby app

MemoWise

Memoize any instance/class/module method, including support for frozen objects - rigorously tested and benchmarked on all Rubies - fast performance of memoized reads

Ruby Facets

The premiere collection of general purpose method extensions and standard additions for Ruby

Trick Bag

Assorted Ruby classes and methods to simplify and enhance your code

ActiveAttr

What ActiveModel left out

Virtus

Attributes on Steroids for Plain Old Ruby Objects

AttrExtras

Takes some boilerplate out of Ruby with methods like attr_initialize

Hashie

A collection of tools that extend Hashes and make them more useful

string_pattern

Generate strings supplying a simple pattern

Carmen

A repository of geographic regions

Countries

All sorts of useful information about every country packaged as pretty little country objects

i18n_data

country/language names and 2-letter-code pairs, in 85 languages, for country/language i18n

normalize_country

Convert country names and codes to a standard, includes a conversion program for XMLs, CSVs and DBs

Phonelib

Ruby gem for phone validation and formatting using Google libphonenumber library data

Phony

Fast international phone number (E164 standard) normalizing, splitting and formatting

validates_zipcode

Postal code / zipcode validation for Rails, supporting 233 country codes

Fat Free CRM

An open source Ruby on Rails based customer relationship management platform

Hitobito

An open source Ruby on Rails based community management solution

Blockchain Lite

Build your own blockchains with crypto hashes; revolutionize the world with blockchains, blockchains, blockchains one block at a time

Ciri

Ruby implementation of Ethereum

MoneyTree

A Ruby implementation of Bitcoin HD Wallets (Hierarchical Deterministic) BIP32

Peatio

Most Advanced Cryptocurrency open-source assets exchange

Blazer

Simple data viewer using only SQL. Output to table, chart, and maps

Smashing is a Sinatra based framework that lets you build beautiful dashboards. This project is the maintained spiritual successor to the Dashing framework

Dashing-Rails

The exceptionally handsome dashboard framework for Rails

attr-gather

A gem for creating workflows that "enhance" entities with extra attributes. At a high level, attr-gather provides a process to fetch information from many data sources (such as third party APIs, legacy databases, etc.) in a fully parallelized fashion

CSV Reader

A modern tabular data (line-by-line records) reader supports "classic" CSV but also CSV Numerics, , , tab, space or fixed width fields (FWF) and many more flavors and dialects

A lightweight data processing / ETL framework for Ruby

Multiwoven

The open-source reverse ETL, data activation platform developed using Ruby and Ruby on Rails

ruby-stemmer

It Provides Snowball algorithm for stemming purposes

Create beautiful Javascript charts with one line of Ruby

GeoPattern

Create beautiful generative geometric background images from a string

LazyHighCharts

A simple and extremely flexible way to use HighCharts from ruby code. Tested on Ruby on Rails, Sinatra and Nanoc, but it should work with others too

ApexCharts.rb

Awesome charts for your ruby app. Works on any ruby app, including Rails app. It even works on plain HTML+ERB files

RailRoady

Ruby on Rails 3/4 model and controller UML class diagram generator

Rails Erd

Generate Entity-Relationship Diagrams for Rails applications

Ruby/GraphViz

Ruby interface to the GraphViz graphing tool

Cassandra Driver

A pure ruby driver for Apache Cassandra with asynchronous io and configurable load balancing, reconnection and retry policies

mongo-ruby-driver

MongoDB Ruby driver

mysql2

A modern, simple and very fast Mysql library for Ruby (binding to libmysql)

Neography

A thin Ruby wrapper to the Neo4j Rest API

Redic

Lightweight Redis Client

redis-rb

A Ruby client that tries to match Redis' API one-to-one, while still providing an idiomatic interface

ruby-pg

Ruby interface to PostgreSQL 8.3 and later

SQLite3

Ruby bindings for the SQLite3 embedded database

SQL Server

The SQL Server adapter for ActiveRecord

TinyTDS

FreeTDS bindings for Ruby using DB-Library

Trilogy

A performance-oriented C library for MySQL-compatible databases

connection_pool

Generic connection pooling for Ruby, that can be used with anything, e.g. Redis, Dalli, etc

Database Cleaner

Database Cleaner is a set of strategies for cleaning your database in Ruby

Database Consistency

An easy way to check that application constraints and database constraints are in sync

Foreigner

Adds foreign key helpers to migrations and correctly dumps foreign keys to schema.rb

Large Hadron Migrator

Online MySQL schema migrations without locking the table

Lol DBA

Scan your models and displays a list of columns that probably should be indexed

Online Migrations

Catch unsafe PostgreSQL migrations in development and run them easier in production

Polo

Creates sample database snapshots to work with real world data in development

PgHero

Postgres insights made easy

Rails DB

Database Viewer and SQL Query Runner

Rein

Database constraints made easy for ActiveRecord

Scenic

Versioned database views for Rails

SchemaPlus

SchemaPlus provides a collection of enhancements and extensions to ActiveRecord

SecondBase

Seamless second database integration for Rails. SecondBase provides support for Rails to manage dual databases by extending ActiveRecord tasks that create, migrate, and test your application

Seedbank

Seedbank allows you to structure your Rails seed data instead of having it all dumped into one large file

Seed dump

Rails 4 task to dump (parts) of your database to db/seeds.rb

Seed Fu

Advanced seed data handling for Rails

Standby

Read from standby databases for ActiveRecord (formerly Slavery)

Strong Migrations

Catch unsafe migrations in development

Upsert

Upsert on MySQL, PostgreSQL, and SQLite3. Transparently creates functions (UDF) for MySQL and PostgreSQL; on SQLite3, uses INSERT OR IGNORE

biz

Time calculations using business hours

business_time

Support for doing time math in business hours and days

ByStar

Find ActiveRecord objects by year, month, fortnight, week and more!

Chronic

A natural language date/time parser written in pure Ruby

date_range_formatter

The simple tool to make work with date ranges in Ruby more enjoyable

groupdate

The simplest way to group temporal data in ActiveRecord, arrays and hashes

holidays

A collection of Ruby methods to deal with statutory and other holidays

ice_cube

A date recurrence library which allows easy creation of recurrence rules and fast querying

local_time

Rails Engine for cache-friendly, client-side local time

montrose

a simple library for expressing, serializing, and enumerating recurring events in Ruby

stamp

Format dates and times based on human-friendly examples, not arcane strftime directives

time_diff

Calculates the difference between two time

timezone

Accurate current and historical timezones and transformations, with support for Geonames and Google latitude - longitude timezone lookups

TZinfo

Provides daylight savings aware transformations between times in different timezones

validates_timeliness

Date and time validation plugin for ActiveModel and Rails

working_hours

A modern ruby gem allowing to do time calculation with working hours

yymmdd

Tiny DSL for idiomatic date parsing and formatting

Byebug

A simple to use, feature rich debugger for Ruby 2

did_you_mean

Adds class, method & attribute suggestions to error messages

Pry Byebug

Pry navigation commands via byebug

pry-rails

Avoid repeating yourself, use pry-rails instead of copying the initializer to every rails project. This is a small gem which causes rails console to open pry. It therefore depends on pry

Seeing Is Believing

Displays the results of every line of code in your file

tapping_device

A tool that allows you to inspect your program from an Object's perspective

Xray

A development tool that reveals your UI's bones

Draper

Draper adds an object-oriented layer of presentation logic to your Rails application

Decent Exposure

A helper for creating declarative interfaces in controllers

Responders

A set of Rails responders to dry up your application

ShowFor

Quickly show a model information with I18n features. Like form_for for displaying model data

Backup

Provides an elegant DSL in Ruby for performing backups on UNIX-like systems

BOSH

Cloud Foundry BOSH is an open source tool chain for release engineering, deployment and lifecycle management of large scale distributed services

A remote server automation and deployment tool written in Ruby

Centurion

A mass deployment tool for Docker fleets

Chef

A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure

Einhorn

Einhorn will open one or more shared sockets and run multiple copies of your process. You can seamlessly reload your code, dynamically reconfigure Einhorn, and more

Itamae

Simple and lightweight configuration management tool inspired by Chef

Kanrisuru

Manage remote infrastructure in Ruby

ChatOps for Ruby: A pluggable chat bot framework usable with any chat service

Logstash

Logs/event transport, processing, management, search

Kamal

Kamal offers zero-downtime deploys, rolling restarts, asset bridging, remote builds, accessory service management, and everything else you need to deploy and manage your web app in production with Docker

Mina

Really fast deployer and server automation tool

Puppet

An automated administrative engine for your Linux, Unix, and Windows systems, performs administrative tasks (such as adding users, installing packages, and updating server configurations) based on a centralized specification

Rubber

The rubber plugin enables relatively complex multi-instance deployments of RubyOnRails applications to Amazon's Elastic Compute Cloud (EC2)

SSHKey

SSH private and public key generator in pure Ruby (RSA & DSA)

Sunzi

Server provisioning utility for minimalists

Ruby-LXC

Native ruby binding for Linux containers

Create and configure lightweight, reproducible, and portable development environments

Diffy

Easy Diffing With Ruby

gemdiff

Find source repositories for gems. Open, compare, and update outdated gem versions

JsonCompare

Returns the difference between two JSON files

Your go-to Ruby Toolbox. The Awesome Ruby collection + ordering by popularity, additional metadata and comparisons

Find what repositories the GitHub community is most excited about today

A gallery of the best open source rack and Ruby on Rails web applications

Ruby Bookmarks

Ruby and Ruby on Rails bookmarks collection

Community driven news

Ruby Programming Community Link Blog

A well maintained Ruby/Rails aggregator that contains news, opinions, tutorials, and more

Weekly panel discussion about programming, primarily in Ruby

A free, once–weekly e-mail round-up of Ruby news and articles

Research papers about Ruby

A comprehensive catalog of Ruby and Rails plug-ins, gems, tools and resources for Ruby developers with popularity ratings based on GitHub watchers and Gem downloads

AnnotateRb

Adds database schema annotations for your ActiveRecord models as text comments as well as routes. An active and maintained hard fork of Annotate

Apipie

Rails API documentation and display tool using Ruby syntax

A fast, Ruby-based text processor & publishing toolchain for converting AsciiDoc to HTML5, DocBook, EPUB3, PDF & more

Documentation

A Rails engine to provide the ability to add documentation to a Rails application

fitting

Library add improve test log for RSpec and WebMock, validate its according to API Blueprint and Open API, show the documentation coverage with log

GitHub Changelog Generator

Automatically generate change log from your tags, issues, labels and pull requests on GitHub

Gollum

A simple, Git-powered wiki with a sweet API and local frontend

grape-swagger

Add swagger compliant documentation to your Grape API

Hanna

An RDoc formatter built with simplicity, beauty and ease of browsing in mind

Hologram

A markdown based documentation system for style guides. It parses comments in your CSS and helps you turn them into a beautiful style guide

Inch

Inch is a documentation measurement and evalutation tool for Ruby code, based on YARD

RDoc

RDoc produces HTML and command-line documentation for Ruby projects

rspec_api_documentation

Automatically generate API documentation from RSpec

YARD enables the user to generate consistent, usable documentation that can be exported to a number of formats very easily

Active Merchant

A simple payment abstraction library extracted from Shopify

Braintree

Braintree Ruby bindings

Conekta

Conekta Ruby bindings

credit_card_validations

A ruby gem for validating credit card numbers, generating valid numbers, Luhn checks

Official Paypal Merchant SDK for Ruby

ROR Ecommerce

A Rails e-commerce platform

Solidus

An open source, eCommerce application for high volume retailers

Spree

Spree is a complete open source e-commerce solution for Ruby on Rails

SquareConnect

Square's SDK for payments and other Square APIs

stripe-ruby

Stripe Ruby bindings

Workarea

An extensible, high-performance eCommerce platform depended on by some of the world's top retailers

Bookshop

Bookshop is a an open-source agile book development and publishing framework for authors, editors

Gepub

A generic EPUB library for Ruby : supports EPUB 3

Mobi

A Ruby way to read MOBI format metadata

Review

Re:VIEW is flexible document format/conversion system

Ahoy Email

Analytics and tracking for e-mails

Gibbon

API wrapper for the Mailchimp e-mail marketing platform

Griddler

Simplify receiving email in Rails

Incoming

Incoming! helps you receive email in your Rack apps

LetterOpener

Preview mail in the browser instead of sending

Mail

A Really Ruby Mail Library

Catches mail and serves it through a dream

MailForm

Send e-mail straight from forms in Rails with I18n, validations, attachments and request information

Maily

A Rails Engine to manage, test and navigate through all your email templates of your app, being able to preview them directly in your browser

The highly customizable ruby SMTP-Service library with builtin support for AUTH and SSL/STARTTLS, 8BITMIME and SMTPUTF8, IPv4 and IPv6 and more

Pony

The express way to send mail from Ruby

Postal

A fully featured open source mail delivery platform for incoming & outgoing e-mail

premailer-rails

CSS styled emails without the hassle

Roadie

Roadie tries to make sending HTML emails a little less painful by inlining stylesheets and rewriting relative URLs for you inside your emails

Sup

A curses threads-with-tags style email client

Configurable framework agnostic plain Ruby email validator/verifier. Verify email via Regex, DNS and SMTP. Be sure that email address valid and exists

bcrypt-ruby

bcrypt-ruby is a Ruby binding for the OpenBSD bcrypt() password hashing algorithm

RbNaCl

Ruby binding to the Networking and Cryptography (NaCl) library

Sym

A time-saving symmetric encryption gem based on OpenSSL that uses 256bit (password-encrypted) keys. Read the key from STDIN, a file, ENV or, on a Mac: OS-X Keychain

Transparently encrypt ActiveRecord, Mongoid, and MongoMapper attributes. Encrypt passwords in configuration files. Encrypt entire files at rest

Themis

crypto library for painless data security, providing symmetric and asymmetric encryption, secure sockets with forward secrecy, for mobile and server platforms

chruby

Change your current Ruby. No shims, no crazy options or features, ~90 LOC

fry

Simple ruby version manager for fish

gem_home

A tool for changing your $GEM_HOME

rbenv

Use rbenv to pick a Ruby version for your application and guarantee that your development environment matches production

ruby-build

Compile and install Ruby

ruby-install

Installs Ruby, JRuby, Rubinius, MagLev or MRuby

RVM is a command-line tool which allows you to easily install, manage, and work with multiple ruby environments from interpreters to sets of gems

Tokaido

Ruby, Rails, SQLite and Redis encapsulated in a single drag-and-drop OS X app, designed to make installing a working RoR environment easy for beginners

Uru is a lightweight, multi-platform command line tool that helps you use the multiple rubies on your 32/64-bit Linux, OS X, or Windows systems

Airbrake

The official Airbrake library for Ruby on Rails (and other Rack based frameworks)

Better Errors

Better error page for Rack apps

Bugsnag

Error monitoring for Rails, Sinatra, Rack, and plain Ruby apps

Errbit

The open source, self-hosted error catcher

Exception Handler

Custom error pages

Exception Notification

A set of notifiers for sending notifications when errors occur in a Rack/Rails application

Exception, uptime, and performance monitoring for Ruby

Nesty

Nested exceptions for Ruby

Sentry Ruby

The Ruby client for Sentry

Rollbar

Easy and powerful exception and error tracking for your applications

Pub/sub, event sourcing, and evented autonomous services backed by the message store

Rails Event Store (RES)

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

Motorhead

A Rails Engine framework that helps safe and rapid feature prototyping

flipper

Feature flipping for ANYTHING. Make turning features on/off so easy that everyone does it. Whatever your data store, throughput, or experience

Rollout

Feature flippers

Split

Rack Based AB testing framework

Unleash

Ruby client for Unleash, a powerful feature toggle system that gives you a great overview over all feature toggles across all your applications and services

Vanity

an A/B testing framework for Rails that is datastore agnostic

attache

Standalone image and file server to decouple your app from file management concerns

CarrierWave

Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks

DragonFly

A Ruby gem for on-the-fly processing - suitable for image uploading in Rails, Sinatra and much more!

PaperClip

Easy file attachment management for ActiveRecord. Deprecated as of May 14, 2018

rack-secure-upload

Upload files securely

Refile

A modern file upload library for Ruby applications, Refile is an attempt by CarrierWave's original author to fix the design mistakes and overengineering in CarrierWave

Shrine

Toolkit for handling file uploads in Ruby

Guard

A command line tool to easily handle events on file system modifications

Guard::LiveReload

Automatically reload your browser when 'view' files are modified

Listen

The Listen gem listens to file modifications and notifies you about the changes

Rerun

Restarts an app when the filesystem changes. Uses growl and FSEventStream if on OS X

Retest

A simple CLI to watch file changes and run their matching Ruby specs. Works on any ruby projects with no setup

Cocoon

Dynamic nested forms using jQuery made easy; works with formtastic, simple_form or default forms

ComfyBootstrapForm

Rails form builder that makes it easy to create forms with Bootstrap 4 markup

Formtastic

A Rails form builder plugin with semantically rich and accessible markup

Rails Bootstrap Forms

Rails form builder that makes it super easy to create beautiful-looking forms with Twitter Bootstrap 3+

Rapidfire

Making dynamic surveys should be easy!

Reform

Gives you a form object with validations and nested setup of models. It is completely framework-agnostic and doesn't care about your database

Simple Form

Rails forms made easy

DragonRuby is a zero dependency, cross platform, Ruby runtime built on top of mRuby, libSDL, and LLVM. Write Ruby on any OS and deploy to PC, Mac, Linux, iOS, Android, Raspberry Pi, WASM, Nintendo Switch, Sony Playstation, and Microsoft Xbox

A 2D game development library for the Ruby and C++ programming languages

Mittsu

Mittsu makes 3D graphics easier by providing an abstraction over OpenGL, and is based heavily off of THREE.js

Ruby 2D

Create cross-platform 2D applications, games, and visualizations with ease

Taylor

Taylor is a game engine built using mruby and raylib

Gemsmith

A command line interface for smithing new Ruby gems

Hoe is a Rake/RubyGems helper for project Rakefiles

Gemfast

A drop in replacement for geminabox written in Go

Gem in a box

Really simple rubygem hosting

Gemirro

Gem to automatically make a rubygems mirror

Gemstash

A RubyGems.org cache and private gem server

Geocoder

A complete geocoding solution for Ruby. With Rails it adds geocoding (by street or IP address), reverse geocoding (find street address based on given coordinates), and distance queries

geoip

Searches a GeoIP database for a given host or IP address, and returns information about the country where the IP address is allocated, and the city, ISP and other information

Geokit

Geokit gem provides geocoding and distance/heading calculations

Google Maps for Rails

Enables easy Google map + overlays creation in Ruby apps

rgeo

Geospatial data library. Spatial data types, geometric and spherical calculations, and WKT/WKB serialization

ginatra

A web frontend for Git repositories

git-auto-bisect

Find the commit that broke master

git_curate

Peruse and delete git branches ergonomically

git_reflow

An automated quality control workflow for Agile teams

git-spelunk

Dig through git blame history

git-whence

Find which merge a commit came from

Analyzes Git commits for consistent quality

Overcommit

A fully configurable and extendable Git hook manager

Rugged

Ruby bindings to libgit2

graphql-batch

– A query batching executor

A library for declaring, composing and executing GraphQL queries

graphql-guard

A simple field-level authorization

graphql-ruby

Ruby implementation of GraphQL

FXRuby

A Ruby library that provides an interface to the FOX GUI toolkit

Glimmer

Ruby DSL for SWT

qtbindings

Allows the QT Gui toolkit to be used from Ruby

Ruby-GNOME

Ruby language bindings for the GNOME development environment

Shoes makes building little graphical programs for Mac, Windows, and Linux super simple

HappyMapper

Object to XML mapping library, using Nokogiri

HTML::Pipeline

HTML processing filters and utilities

An HTML, XML, SAX, and Reader parser with XPath and CSS selector support

Nokolexbor

High-performance HTML5 parser based on Lexbor, with support for both CSS selectors and XPath

An XML/HTML parser written in Ruby. Oga does not require system libraries such as libxml, making it easier and faster to install on various platforms

Ox

A fast XML parser and Object marshaller

ROXML

Custom mapping and bidirectional marshalling between Ruby and XML using annotation-style class methods, via Nokogiri or LibXML

Accept Language

A tiny library for parsing the header from browsers (as defined in )

excon

Usable, fast, simple Ruby HTTP 1.1. It works great as a general HTTP(s) client and is particularly well suited to usage in API clients

Faraday

an HTTP client lib that provides a common interface over many adapters (such as Net::HTTP) and embraces the concept of Rack middleware when processing the request/response cycle

Device Detector

A precise and fast user agent parser and device detector, backed by the largest and most up-to-date user agent database

Http Client

Gives something like the functionality of libwww-perl (LWP) in Ruby

HTTP

The HTTP Gem: a simple Ruby DSL for making HTTP requests

Pure ruby HTTP client, supports HTTP/2 and HTTP/1, concurrent requests, plugin system for extended features (cookies, retries, following redirects, proxy, streaming...)

httparty

Makes http fun again!

Http-2

Pure Ruby implementation of HTTP/2 protocol

Patron

Patron is a Ruby HTTP client library based on libcurl

RESTClient

Simple HTTP and REST client for Ruby, inspired by microframework syntax for specifying actions

Savon

Savon is a SOAP client for the Ruby programming language

Sawyer

Secret user agent of HTTP, built on top of Faraday

Sniffer

– Tool to log and debug outgoing HTTP requests across multiple ruby libraries

Typhoeus

Typhoeus wraps libcurl in order to make fast and reliable requests

FastImage

FastImage finds the size or type of an image given its uri by fetching as little as needed

ImageProcessing

High-level image processing wrapper for libvips and ImageMagick/GraphicsMagick

MiniMagick

A ruby wrapper for ImageMagick or GraphicsMagick command line

Phasion

Ruby wrapper around pHash, the perceptual hash library for detecting duplicate multimedia files

PSD.rb

Parse Photoshop files in Ruby with ease

RMagick

RMagick is an interface between Ruby and ImageMagick

ruby-vips

A binding for the libvips image processing library

Skeptick

Skeptick is an all-purpose DSL for building and running ImageMagick commands

JRuby

A Java implementation of the Ruby language

MRuby

Lightweight Ruby. Can be linked and embedded in your application

Natalie

Natalie is a Ruby compiler that provides an ahead-of-time compiler using C++ and gcc/clang as the backend

Opal

Ruby to Javascript compiler

Rubinius

An implementation of the Ruby programming language. Rubinius includes a bytecode virtual machine, Ruby syntax parser, bytecode compiler, generational garbage collector, just-in-time (JIT) native machine code compiler, and Ruby Core and Standard libraries

TruffleRuby

A high performance implementation of the Ruby programming language. Built on the GraalVM by Oracle Labs

FastGettext

Ruby internationalization tool with less memory, simple, clean namespace and threadsafe

Globalize

Globalize builds on the I18n API in Ruby on Rails to add model translations to ActiveRecord models

i18n-tasks

Manage missing and unused translations with the awesome power of static analysis

i18n

Ruby Internationalization and localization solution

mini_i18n

Minimalistic, flexible and fast Internationalization library. It supports localization, interpolations, pluralization, fallbacks, nested keys and more

rails-i18n

Repository for collecting Locale data for Rails I18n as well as other interesting, Rails related I18n stuff

r18n

Advanced i18n library for Rails, Sinatra, desktop apps, models, works well with complex languages like Russian

Termit

Translations with speech synthesis in your terminal

Tolk

A web interface for doing i18n translations packaged as a Rails engine

twitter-cldr-rb

Ruby implementation of the ICU (International Components for Unicode) that uses the Common Locale Data Repository to format dates, plurals, and more

Clipboard

Access to the system clipboard on Linux, MacOS and Windows

KatakataIrb

IRB with Kata(型 Type) completion

irbtools

Improvements for Ruby's IRB

Looksee

A tool for illustrating the ancestry and method lookup path of objects. Handy for exploring unfamiliar codebases

Pry

A powerful alternative to the standard IRB shell for Ruby

A lightweight and extensible IRB replacement

Fluentd

Fluentd collects events from various data sources and writes them to files, database or other types of storages

HttpLog

Log outgoing HTTP requests

Log4r

Log4r is a comprehensive and flexible logging library for use in Ruby programs

Logging

A flexible logging library for use in Ruby programs based on the design of Java's log4j library

Lograge

An attempt to tame Rails' default policy to log everything

Ougai

A structured logging system that is capable of handling a message, structured data, or an exception easily. It has JSON and human-readable formatters

Scrolls

Simple logging

Scalable, next generation enterprise logging for Ruby

Syslogger

A drop-in replacement for the standard Logger Ruby library, that logs to the syslog instead of a log file

Yell

Your Extensible Logging Library

AI4R

Algorithms covering several Artificial intelligence fields

Awesome Machine Learning with Ruby

A Curated List of Ruby Machine Learning Links and Resources

langchain.rb

Library for building LLM-powered applications in Ruby

m2cgen

A CLI tool to transpile trained classic ML models into a native Ruby code with zero dependencies

PredictionIO Ruby SDK

The PredictionIO Ruby SDK provides a convenient API to quickly record your users' behavior and retrieve personalized predictions for them

rb-libsvm

Ruby language bindings for LIBSVM. SVM is a machine learning and classification algorithm

ruby-fann

Ruby library for interfacing with FANN (Fast Artificial Neural Network)

ruby-openai

OpenAI API + Ruby!

rumale

A machine learning library with interfaces similar to Scikit-Learn

TensorFlow

The end-to-end machine learning platform for Ruby

Torch.rb

Deep learning for Ruby, powered by LibTorch

weka

Machine learning and data mining algorithms for JRuby

kramdown

Kramdown is yet-another-markdown-parser but fast, pure Ruby, using a strict syntax definition and supporting several common extensions

markdown_helper

A markdown pre-processor implementing file inclusion and page TOC (table of contents)

Maruku

A pure-Ruby Markdown-superset interpreter

Redcarpet

A fast, safe and extensible Markdown to (X)HTML parser

word-to-markdown

Gem to convert Microsoft Word documents to Markdown

ZMediumToMarkdown

A powerful tool that allows you to effortlessly download and convert your Medium posts to Markdown format

Measured

Wrapper objects which encapsulate measurements and their associated units in Ruby

Ruby Units

Provides classes and methods to perform unit math and conversions

dryrun

Try any Android library on your smartphone directly from the command line

fastlane

Connect all iOS deployment tools into one streamlined workflow

PubNub

Real-time Push Service in the Cloud

Ruboto

A platform for developing full stand-alone apps for Android using the Ruby language and libraries

A revolutionary toolchain that lets you quickly develop and test full-fledged native iOS and OS X applications for iPhone, iPad, Mac and Android

eu_central_bank

A gem that calculates the exchange rate using published rates from European Central Bank

Monetize

A library for converting various objects into Money objects

Money

A Ruby Library for dealing with money and currency conversion

Coltrane

A music theory library with a command-line interface

Maestro

A Slack-Powered music bot for Spotify

Sonic Pi

A live coding synth for everyone originally designed to support computing and music lessons

Awesome NLP with Ruby

Awesome List for Practical Natural Language Processing done in Ruby

A small Ruby library for constructing parsers in the PEG (Parsing Expression Grammar) fashion

pocketsphinx-ruby

Ruby speech recognition with Pocketsphinx

Pragmatic Segmenter

Pragmatic Segmenter is a rule-based sentence boundary detection gem that works out-of-the-box across many languages

Ruby Natural Language Processing Resources

Collection of links to Ruby Natural Language Processing (NLP) libraries, tools and software

English spelling and grammar checker that can be used for autocorrection

Sentimental

Simple sentiment analysis with Ruby

Text

A collection of text algorithms including Levenshtein distance, Metaphone, Soundex 2, Porter stemming & White similarity

Treat

Treat is a toolkit for natural language processing and computational linguistics in Ruby

Treetop

PEG (Parsing Expression Grammar) parser

Words Counted

A highly customisable Ruby text analyser and word counter

Dnsruby

A pure Ruby DNS client library which implements a stub resolver. It aims to comply with all DNS RFCs

RubyDNS

A high-performance DNS server which can be easily integrated into other projects or used as a stand-alone daemon

PacketFu

A library for reading and writing packets to an interface or to a libpcap-formatted file

Noticed

ActionMailer-like Notification System for your Ruby on Rails app

Ruby Push Notifications

iOS, Android and Windows Phone Push notifications made easy

Rpush

The push notification service for Ruby which supports Apple Push Notification Service, Google Cloud Messaging, Amazon Device Messaging and Windows Phone Push Notification Service

webpush

Encryption Utilities for Web Push protocol

bootsnap

Boot large Ruby/Rails apps faster

fast_blank

Provides a C-optimized method for determining if a string is blank

fast_count

Quickly get a count estimation for large tables (>99% of accuracy for PostgreSQL)

fast_underscore

Provides a C-optimized method for transforming a string from any capitalization into underscore-separated

pluck_in_batches

A faster alternative to the custom use of with

yajl-ruby

A streaming JSON parsing and encoding library for Ruby (C bindings to yajl)

ActiveRecord

Object-relational mapping in Rails

Hanami::Model

A lean Repository-pattern based ORM framework for Hanami and modern Ruby applications

Mongoid

An ODM (Object-Document-Mapper) framework for MongoDB in Ruby

MongoModel

Ruby ODM for interfacing with MongoDB databases

A Neo4j OGM (Object-Graph-Mapper) for use in Ruby on Rails and Rack frameworks heavily inspired by ActiveRecord

NoBrainer

A RethinkDB ORM for Ruby

Ohm

Object-hash mapping library for Redis

Redis-Objects

Redis Objects provides a Rubyish interface to Redis, by mapping Redis data types to Ruby objects, via a thin layer over the redis gem

ROM

Ruby Object Mapper (ROM) is an experimental Ruby library with the goal to provide powerful object mapping capabilities without limiting the full power of your datastore

Sequel

Sequel is a simple, flexible, and powerful SQL database access toolkit for Ruby

active_snapshot

Simplified snapshots and restoration for ActiveRecord models and associations with a transparent white-box implementation

acts_as_archival

ActiveRecord plugin for atomic object tree archiving

ActsAsParanoid

ActiveRecord plugin allowing you to hide and restore records without actually deleting them

Audited

Audited is an ORM extension for ActiveRecord & MongoMapper that logs all changes to your models

Destroyed At

Allows you to "destroy" an object without deleting the record or associated records

Discard

A simple ActiveRecord mixin to add conventions for flagging records as discarded

Logidze

Database changes log for Rails

marginalia

Attach comments to your ActiveRecord queries. By default, it adds the application, controller, and action names as a comment at the end of each query

mongoid-history

Multi-user non-linear history tracking, auditing, undo, redo for mongoid

PaperTrail

Track changes to your ActiveRecord models' data for auditing or versioning

Paranoia

A re-implementation of acts_as_paranoid for Rails 3 and 4, using much, much, much less code

PermenantRecords

Soft-delete your ActiveRecord records, like an explicit version of ActsAsParanoid

ActiveFlag

Store up to 64 multiple flags in a single integer column with ActiveRecord

Bitfields

Save migrations and columns by storing multiple booleans in a single integer

ActiveRecord Import

a library for bulk inserting data using ActiveRecord

bulk_insert

A little ActiveRecord extension for helping to insert lots of rows in a single insert statement

data_miner

Download, pull out of a ZIP/TAR/GZ/BZ2 archive, parse, correct, and import XLS, ODS, XML, CSV, HTML, etc. into your ActiveRecord models

ferry

A ruby gem for easy data transfer

arel_extensions

Extending Arel: more "rubyish" syntax, functions for strings, dates, math... and add native extensions for some DBs

ActiveRecord::Turntable

A database sharding extension for ActiveRecord

ActiveValidators

An exhaustive collection of off-the-shelf and tested ActiveModel/ActiveRecord validations

DeepPluck

Allow you to pluck attributes from nested associations without loading a bunch of records

Enumerize

Enumerated attributes with I18n and ActiveRecord/Mongoid/MongoMapper support

Goldiloader

Automatic ActiveRecord eager loading

Rating

A true Bayesian rating system with scope and cache enabled

Acts As Tennant

Add multi-tenancy to a Rails app through a shared database strategy

Apartment

Multi-tenancy for Rails and ActiveRecord

Milia

Non-invasive multi-tenancy for Rails which supports Devise authentication out of the box

Merit

Adds reputation behavior to Rails apps in the form of Badges, Points, and Rankings for ActiveRecord or Mongoid

PublicActivity

Provides easy activity tracking for your ActiveRecord, Mongoid 3 and MongoMapper models in Rails 3 and 4. Similar to Github's Public Activity

Simple Feed

Fast and highly scalable read-optimized social activity feed library in pure Ruby, backed by Redis

Unread

Manage read/unread status of ActiveRecord objects - and it's fast

ActsAsList

Provides the capabilities for sorting and reordering a number of objects in a list

positioning

Simple positioning for Active Record models. Supports multiple lists per model and relative positioning

ranked-model

A modern row sorting library for ActiveRecord. It uses ARel aggressively and is better optimized than most other libraries

ActsAsTree

Extends ActiveRecord to add simple support for organizing items into parent–children relationships

ActsAsRecursiveTree

ActsAsTree but recursive

Ancestry

Organise ActiveRecord model into a tree structure using a variation on the materialised path pattern

Awesome Nested Set

Awesome Nested Set is an implementation of the nested set pattern for ActiveRecord models

Closure Tree

Easily and efficiently make your ActiveRecord models support hierarchies using a Closure Table

Mongoid Tree

A tree structure for Mongoid documents using the materialized path pattern

Manage your application's gem dependencies with less pain

Community's gem hosting service

A fully managed package management SaaS with support for Rubygems (and many others)

Berkshelf

A Chef Cookbook manager

CocoaPods

The Objective-C dependency manager

fpm

Effing package management! Build packages for multiple platforms (deb, rpm, etc) with great ease and sanity

A fork of Homebrew for Linux

Homebrew-cask

A CLI workflow for the administration of Mac applications distributed as binaries

Homebrew

The missing package manager for OS X

Traveling Ruby lets you create self-contained Ruby app packages for Linux and OS X

activerecord_cursor_paginate

Cursor-based pagination for ActiveRecord

Kaminari

A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for modern web app frameworks and ORMs

order_query

A keyset pagination library to find the next or previous record(s) relative to the current one efficiently, e.g. for infinite scroll

Pagy

Pagy is the ultimate pagination gem that outperforms the others in each and every benchmark and comparison. More details can be found on

will_paginate

A pagination library that integrates with Ruby on Rails, Sinatra, Merb, DataMapper and Sequel

CombinePDF

A Pure ruby library to merge or stump PDF files, number pages and more

Grim

Extract PDF pages as images and text. A simple Ruby API to ghostscript, imagemagick, and pdftotext

HexaPDF

A Versatile PDF Creation and Manipulation Library For Ruby

InvoicePrinter

Super simple PDF invoicing in Ruby (built on top of Prawn)

Kitabu

A framework for creating e-books from Markdown/Textile text markup using Ruby

Pdfkit

HTML+CSS to PDF using wkhtmltopdf

Prawn

Fast, Nimble PDF Writer for Ruby

RGhost

RGhost is a document creation and conversion API

Squid

Squid · A Ruby library to plot charts in PDF files

Wicked Pdf

PDF generator (from HTML) plugin for Ruby on Rails

Instrumental

Measure your application in real time with

New Relic

Find and fix Ruby errors with New Relic application monitoring and troubleshooting

RoRvsWild

Performances and exceptions monitoring for Rails developers

Scout

Scout Ruby Application Monitoring Agent

Skylight

A smart profiler for your Rails apps that visualizes request performance

Slide Show (S9)

Write your slides / talks / presentations in plain text with markdown formatting conventions and generate (static) web pages; template packs incl. deck.js, impress.js, reveal.js, shower, s6, s5 and more

Bluepill

Simple process monitoring tool

Eye

Process monitoring tool. Inspired from Bluepill and God

Foreman

Manage Procfile-based applications

God

An easy to configure, easy to extend monitoring framework written in Ruby

Health Monitor Rails

A mountable Rails plug-in to check health of services (Database, Cache, Sidekiq, Redis, e.t.c.) used by the Rails app

Procodile

Run processes in the background (and foreground) on Mac & Linux from a Procfile

RedisWebManager

Web interface that allows you to manage easily your Redis instance (see keys, memory used, connected client, etc...)

childprocess

Cross-platform ruby library for managing child processes

posix-spawn

Fast Process::spawn for Rubys >= 1.8.7 based on the posix_spawn() system interfaces

batch-loader

– A generic lazy batching mechanism to avoid N+1 DB queries, HTTP queries, etc

benchmark-ips

Provides iteration per second benchmarking for Ruby

bullet

Help to kill N+1 queries and unused eager loading

Derailed Benchmarks

A series of things you can use to benchmark any Rack based app

Peek

Visual status bar showing Rails performance

rack-mini-profiler

Profiler for your development and production Ruby rack apps

Rbkit

profiler for Ruby. With a GUI

rbspy

Sampling profiler for any Ruby process

ruby-prof

A code profiler for MRI rubies

stackprof

A sampling call-stack profiler for ruby 2.1+

test-prof

Ruby Tests Profiling Toolbox

RQRCode

RQRCode is a library for creating and rendering QR codes into various formats

Backburner

Backburner is a beanstalkd-powered job queue that can handle a very high volume of jobs

Bunny

Bunny is a popular, easy to use, well-maintained Ruby client for RabbitMQ (3.3+)

Delayed::Job

Database backed asynchronous priority queue

GoodJob

GoodJob is a multithreaded, Postgres-based, ActiveJob backend for Ruby on Rails

Gush

A parallel runner for complex workflows using only Redis and Sidekiq

JobIteration

An ActiveJob extension to make long-running jobs interruptible and resumable

Karafka

Framework used to simplify Apache Kafka (a distributed streaming platform) based Ruby applications development

Lowkiq

Ordered processing of background jobs for cases where Sidekiq can't help

March Hare

Idiomatic, fast and well-maintained JRuby client for RabbitMQ

Resque

A Redis-backed Ruby library for creating background jobs

Que

A Ruby job queue that uses PostgreSQL's advisory locks for speed and reliability

Enterprise Batch Processing System focused on performance, scalability, reliability, and visibility of every job in the system. Outgrown existing solutions? Or, start small and scale up later

Shoryuken

A super efficient AWS SQS thread based message processor for Ruby

A full-featured background processing framework for Ruby. It aims to be simple to integrate with any modern Rails application and much higher performance than other existing solutions

SidekiqIteration

A Sidekiq extension to make long-running jobs interruptible and resumable

Sneakers

A fast background processing framework for Ruby and RabbitMQ

Sucker Punch

A single process background processing library using Celluloid. Aimed to be Sidekiq's little brother

Bootstrappers

Bootstrappers generates a base Rails app using Bootstrap template and other goodies

Hobo

The web app builder for Rails

orats

Opinionated rails application templates

Rails Composer

The Rails generator on steroids for starter apps

Raygun

Builds applications with the common customization stuff already done

Suspenders

Suspenders is the base Rails application used at thoughtbot

Arli

Arli is the CLI tool for searching, installing, and packaging Arduino libraries with a project using a YAML-based Arlifile. It's a "Bundler for Arduino Development"

Next generation robotics framework with support for different platforms: Arduino, Leap Motion, Pebble, Raspberry Pi, etc

Feed normalizer

Extensible Ruby wrapper for Atom and RSS parsers

Feedjira

A feed fetching and parsing library

feedparser

A feed parser and normalizer (Atom, RSS, JSON, etc) library

Simple rss

A simple, flexible, extensible, and liberal RSS and Atom reader

Stringer

A self-hosted, anti-social RSS reader

Serverless Software Development Platform for Ruby and Crystal developers

Jets

A Ruby Serverless Framework to create and deploy serverless microservices with ease, and to seamlessly glue AWS services

Simple Rails & AWS Lambda Integration using Rack

minicron

A system to manage and monitor cron jobs

que-scheduler

A lightweight cron scheduler for the async job worker Que

resque-scheduler

A light-weight job scheduling system built on top of Resque

rufus-scheduler

Job scheduler for Ruby (at, cron, in and every jobs)

ruby-clock

A job scheduler which runs jobs each in their own thread in a persistent process

Sidekiq-Cron

A scheduling add-on for Sidekiq

Simple Scheduler

An enhancement for Heroku Scheduler + Sidekiq for scheduling jobs at specific times with a readable YML file

Whenever

A Ruby gem that provides a clear syntax for writing and deploying cron jobs

PyCall

Calling Python functions from the Ruby language

ruby-opencv

An OpenCV wrapper for Ruby

classifier-reborn

An active fork of Classifier, and general module to allow Bayesian and other types of classifications

daru

A library for storage, analysis, manipulation and visualization of data in pure Ruby

Daru::View

A library for easy and interactive plotting on Jupyter Notebooks and web applications

Rgl

A framework for graph data structures and algorithms

NMatrix

Fast numerical linear algebra library for Ruby

Numo::NArray

N-dimensional Numerical Array for Ruby

mdarray

Multi dimensional array implemented for JRuby inspired by NumPy

Data processing tools for Ruby

SciRuby

Tools for scientific computation in Ruby/Rails

IRuby

A Ruby kernel for Jupyter

statsample

A suite for basic and advanced statistics on Ruby

statsample-timeseries

Bioruby Statsample TimeSeries

statsample-glm

Generalized Linear Models extension for Statsample

distribution

Statistical Distributions multi library wrapper

minimization

Minimization algorithms on pure Ruby

BioRuby

Library for developing bioinformatics software

bloomfilter-rb

BloomFilter(s) in Ruby: Native counting filter + Redis counting/non-counting filters

decisiontree

A ruby library which implements ID3 (information gain) algorithm for decision tree learning

algorithms

Library with documentation on when to use a particular structure/algorithm

jaro_winkler

Ruby & C implementation of Jaro-Winkler distance algorithm which supports UTF-8 string

primes-utils

A Rubygem which provides a suite of extremely fast utility methods for testing and generating primes

Roots

A Rubygem which provides utilities to find all the nth roots of real and complex values

smarter_csv

Ruby Gem for smarter importing of CSV Files as Array(s) of Hashes

chewy

High-level Elasticsearch Ruby framework based on the official elasticsearch-ruby client

elasticsearch-ruby

Ruby integrations for Elasticsearch

elastics

Simple ElasticSearch client with support for migrations and ActiveRecord integration

has_scope

Has scope allows you to easily create controller filters based on your resources named scopes

Mongoid Search

Simple full text search implementation for Mongoid

pg_search

Builds ActiveRecord named scopes that take advantage of PostgreSQL's full text search

ransack

Object-based searching

Rroonga

The Ruby bindings of Groonga

scoped_search

Adds a scope supporting search queries and autocompletion against existing fields on ActiveRecord models and associations

SearchCop

Extends your ActiveRecord models to support fulltext search engine like queries via simple query strings and hash-based queries

Searchkick

Searchkick learns what your users are looking for. As more people search, it gets smarter and the results get better. It’s friendly for developers - and magical for your users

Sunspot

A Ruby library for expressive, powerful interaction with the Solr search engine

textacular

Exposes full text search capabilities from PostgreSQL, and allows you to declare full text indexes. Textacular extends ActiveRecord with named_scope methods making searching easy and fun!

Thinking Sphinx

A library for connecting ActiveRecord to the Sphinx full-text search tool

BeEF is short for The Browser Exploitation Framework. It is a penetration testing tool that focuses on the web browser

bundler-audit

Patch-level security verification for Bundler

Fingerprinter

CMS/LMS/Library etc versions fingerprinter

haiti

Hash type identifier (CLI & lib)

Metasploit

World's most used penetration testing software

Pipal

Password analyser and statistics generator

Rack::Attack

Rack middleware for blocking & throttling abusive requests

Rack::Protection

Rack middleware for protecting against typical Web attacks

Ronin

A Ruby platform for vulnerability research and exploit development

SecureHeaders

Automatically apply several headers that are related to security, including: Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), X-Frame-Options (XFO), X-XSS-Protection, X-Content-Type-Options, X-Download-Options & X-Permitted-Cross-Domain-Policies

WhatWeb

Website Fingerprinter

WordPress vulnerability scanner

Better monitoring for your Rails applications

Automated Code Review for Ruby, Rails, JS, PHP, Python etc. Security, Coverage & Quality

Quality & security analysis for Ruby on Rails and Javascript

Powerful collaboration, code review, and code management for open source and private projects

Integrate with your GitLab to run tests for your projects

Open source software to collaborate on code

Review your Ruby code for style guide violations

Documentation badges for Ruby projects

OctoLinker

Navigate through projects on GitHub.com efficiently with the OctoLinker browser extension

Hosted continuous integration and deployment service for open source and private projects

Test and Deploy Your Code with Confidence

FriendlyId

The "Swiss Army bulldozer" of slugging and permalink plugins for Active Record

MetaTags

A gem to make your Rails application SEO-friendly

prerender_rails

Rails middleware gem for prerendering javascript-rendered pages on the fly for SEO

SitemapGenerator

A framework-agnostic XML Sitemap generator written in Ruby

Decidim

free open-source participatory democracy for cities and organizations

diaspora*

A privacy aware, distributed, open source social network

Discourse

A platform for community discussion. Free, open, simple

Mailboxer

A private message system for Rails applications

Mastodon

A GNU Social-compatible microblogging server

Retrospring

A social network following the Q/A (question and answer) principle

Social Shares

A gem to check how many times url was shared in social networks

Thredded

Rails 4.2+ forums/messageboards engine. Its goal is to be as simple and feature rich as possible

CAXLSX

A community maintained excel xlsx generation library. - The original