Awesome Ruby

A collection of awesome Ruby libraries, tools, frameworks and software 💎

Inspired by awesome-php, awesome-python, frontend-dev-bookmarks and ruby-bookmarks.

Contributions are always welcome! Please take a look at the contribution guidelines and quality standard first.

Thanks to all contributors, you're awesome and wouldn't be possible without you! The goal is to build a categorized community-driven collection of very well-known resources.

Awesome Ruby
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Style Guide

Ruby style guide - Community-driven Ruby coding style
Rails style guide - Community-driven Rails best practices and style for Rails 3 and 4
RSpec style guide - Better Specs { rspec guidelines with ruby }

Package Management

Gems
- RubyGems - Community's gem hosting service
- Bundler - Manage your application's gem dependencies with less pain
Packages and Applications
- Homebrew - The missing package manager for OS X
- Homebrew-cask - a CLI workflow for the administration of Mac applications distributed as binaries
- CocoaPods - The Objective-C dependency manager
- Berkshelf - A Chef Cookbook manager

Environment Management

rbenv — Use rbenv to pick a Ruby version for your application and guarantee that your development environment matches production
RVM — 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
dotenv - Loads environment variables from .env
ruby-build - Compile and install Ruby
chruby - Change your current Ruby. No shims, no crazy options or features, ~90 LOC
ruby-install - Installs Ruby, JRuby, Rubinius, MagLev or MRuby

Documentation

RDoc - RDoc produces HTML and command-line documentation for Ruby projects
YARD - YARD enables the user to generate consistent, usable documentation that can be exported to a number of formats very easily
grape-swagger - Add swagger compliant documentation to your Grape API

Testing

RSpec - Behaviour Driven Development for Ruby
minitest - minitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, and benchmarking
Test::Unit - Test::Unit is a xUnit family unit testing framework for Ruby
Cucumber - BDD that talks to domain experts first and code second
Capybara - Acceptance test framework for web applications
Appraisal - Appraisal integrates with bundler and rake to test your library against different versions of dependencies
factory_girl - A library for setting up Ruby objects as test data
faker - A library for generating fake data such as names, addresses, and phone numbers.
Fabrication - A simple and powerful object generation library
shoulda-matchers - Provides Test::Unit- and RSpec-compatible one-liners that test common Rails functionality. These tests would otherwise be much longer, more complex, and error-prone.
vcr - Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests
Spring - Preloads your rails environment in the background for faster testing and Rake tasks
Konacha - Test your Rails application's JavaScript with the mocha test framework and chai assertion library
Spork - A DRb server for testing frameworks (RSpec / Cucumber currently).
WebMock - Library for stubbing and setting expectations on HTTP requests
RR - A test double framework that features a rich selection of double techniques and a terse syntax
Bacon - A small RSpec clone
Spinach - Spinach is a high-level BDD framework that leverages the expressive Gherkin language (used by Cucumber) to help you define executable specifications of your application or library's acceptance criteria.

Web Frameworks

Web Servers

Rack - A common Ruby web server interface. By itself, it's just a specification and utility library, but all Ruby web servers implement this interface
Phusion Passenger - Fast and robust web server and application server
Unicorn - Rack HTTP server for fast clients and Unix
Thin - Tiny, fast & funny HTTP server
Puma - A modern, concurrent web server for Ruby
Goliath - A non-blocking Ruby web server framework

Database Drivers

ruby-pg - Ruby interface to PostgreSQL 8.3 and later
mysql2 - A modern, simple and very fast Mysql library for Ruby (binding to libmysql)
SQLite3
redis-rb - A Ruby client that tries to match Redis' API one-to-one, while still providing an idiomatic interface
DataObjects - An attempt to rewrite existing Ruby database drivers to conform to one, standard interface.
mongo-ruby-driver - MongoDB Ruby driver
moped - A MongoDB driver for Ruby

Database Tools

Seed dump - Rails 4 task to dump (parts) of your database to db/seeds.rb.
Seed Fu - Advanced seed data handling for Rails.
Machinist - Fixtures aren't fun. Machinist is.

ORM

ActiveRecord
Sequel - Sequel is a simple, flexible, and powerful SQL database access toolkit for Ruby
Mongoid - An ODM (Object-Document-Mapper) framework for MongoDB in Ruby
Mongoid Tree - A tree structure for Mongoid documents using the materialized path pattern
DataMapper - ORM which works well with legacy databases. Last release (1.2.0) was on 13 October 2011.
MongoMapper
MongoModel - Ruby ODM for interfacing with MongoDB databases
ohm - Object-hash mapping library for Redis

Decorators

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

Http

RESTClient - Simple HTTP and REST client for Ruby, inspired by microframework syntax for specifying actions
httparty
Faraday
Sawyer - Secret user agent of HTTP, built on top of Faraday
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.
Patron - Patron is a Ruby HTTP client library based on libcurl.
Typhoeus - Typhoeus wraps libcurl in order to make fast and reliable requests
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.

API Builder

Grape - An opinionated micro-framework for creating REST-like APIs in Ruby
Rails::API
ActiveModel::Serializers - JSON serialization of objects
Crêpe - The thin API stack
jbuilder - Create JSON structures via a Builder-style DSL
Jsonite - A tiny, HAL-compliant JSON presenter for your APIs
rabl - General ruby templating with json, bson, xml, plist and msgpack support
Pliny - Opinionated template Sinatra app for writing excellent APIs in Ruby
Roar - Resource-Oriented Architectures in Ruby

CLI

Rake - A make-like build utility for Ruby
Thor - A toolkit for building powerful command-line interfaces
Commander - The complete solution for Ruby command-line executables
Slop - Simple Lightweight Option Parsing
Termit - Google Translate with speech synthesis in your terminal
Main - A class factory and DSL for generating command line programs real quick

Authentication

Devise - A flexible authentication solution for Rails based on Warden
Authlogic
OmniAuth - A library that standardizes multi-provider authentication utilizing Rack middleware
Sorcery
Clearance - Small and simple email & password based authenticaton for Rails

OAuth

OAuth2 - A Ruby wrapper for the OAuth 2.0 protocol
Doorkeeper - An OAuth2 provider for Rails

Authorization

CanCanCan
Pundit - Minimal authorization through OO design and pure Ruby classes
Authority ORM-neutral way to authorize actions in your Rails app.

Log

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.
Cabin - Structured+contextual logging experiments in Ruby.
Yell - Your Extensible Logging Library
MongoDB Logger - MongoDB logger for Rails
Fluentd - Fluentd data collector.
HttpLog - Log outgoing HTTP requests.
Scrolls - Simple logging

Queue

Resque — A Redis-backed Ruby library for creating background jobs
Sidekiq — 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.
Sucker Punch — A single process background processing library using Celluloid. Aimed to be Sidekiq's little brother.
Delayed::Job — Database backed asynchronous priority queue

Scheduling

Whenever - A Ruby gem that provides a clear syntax for writing and deploying cron jobs
Clockwork - Clockwork is a cron replacement. It runs as a lightweight, long-running Ruby process which sits alongside your web processes (Mongrel/Thin) and your worker processes (DJ/Resque/Minion/Stalker) to schedule recurring work at particular times or dates.
rufus-scheduler - Job scheduler for Ruby (at, cron, in and every jobs)
resque-scheduler - A light-weight job scheduling system built on top of Resque

Data Visualization

Ruby/GraphViz - Ruby interface to the GraphViz graphing tool
RailRoady - Ruby on Rails 3/4 model and controller UML class diagram generator.
Rails Erd - Generate Entity-Relationship Diagrams for Rails applications.

Template Engine

Tilt - Generic interface to multiple Ruby template engines
Haml - HTML Abstraction Markup Language
Slim
Liquid
Curly

Assets

Sass - Sass makes CSS fun again
Less - Leaner CSS, in your browser or Ruby.
Less Rails - The dynamic stylesheet language for the Rails asset pipeline.
Management:
- Sprockets - Rack-based asset packaging system
- Rails Assets - Bundler to Bower proxy

Markdown Processors

kramdown — Kramdown is yet-another-markdown-parser but fast, pure Ruby, using a strict syntax definition and supporting several common extensions
Redcarpet — A fast, safe and extensible Markdown to (X)HTML parser
Maruku — A pure-Ruby Markdown-superset interpreter

Search

Thinking Sphinx - A library for connecting ActiveRecord to the Sphinx full-text search tool
elasticsearch-ruby
Sunspot - A Ruby library for expressive, powerful interaction with the Solr search engine
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.
pg_search - Builds ActiveRecord named scopes that take advantage of PostgreSQL's full text search
has_scope - Has scope allows you to easily create controller filters based on your resources named scopes.
Searchlogic - Object based searching, common named scopes, and other useful named scope tools for ActiveRecord

Internationalization

i18n - Ruby Internationalization and localization solution
i18n-tasks - Manage missing and unused translations with the awesome power of static analysis
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
r18n - Advanced i18n library for Rails, Sinatra, desktop apps, models, works well with complex languages like Russian.

Geolocation

Caching

Action caching for Action Pack - Action caching for Action Pack
Dalli - A high performance pure Ruby client for accessing memcached servers
Record Cache - Cache Active Model Records in Rails 3

File Upload

CarrierWave - Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks
PaperClip - Easy file attachment management for ActiveRecord
DragonFly - A Ruby gem for on-the-fly processing - suitable for image uploading in Rails, Sinatra and much more!

Email

Mail - A Really Ruby Mail Library
Pony- The express way to send mail from Ruby
Mailman - An incoming mail processing microframework in Ruby
Incoming - Incoming! helps you receive email in your Rack apps
MailCatcher - Catches mail and serves it through a dream
LetterOpener - Preview mail in the browser instead of sending.

Form Builder

Simple Form - Rails forms made easy
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+

Pagination

Kaminari - A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for modern web app frameworks and ORMs
will_paginate - A pagination library that integrates with Ruby on Rails, Sinatra, Merb, DataMapper and Sequel

Imagery

MiniMagick - A ruby wrapper for ImageMagick or GraphicsMagick command line
RMagick - RMagick is an interface between Ruby and ImageMagick

Video

Streamio FFMPEG - Simple yet powerful wrapper around the ffmpeg command for reading metadata and transcoding movies

WebSocket

Faye - A set of tools for simple publish-subscribe messaging between web clients. It ships with easy-to-use message routing servers for Node.js and Rack applications, and clients that can be used on the server and in the browser.
Websocket-Rails - Creates a built in WebSocket server inside a Rails application with ease. Also support streaming HTTP

HTML/XML Parsing

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

Web Crawling

MetaInspector - Ruby gem for web scraping purposes. It scrapes a given URL, and returns you its title, meta description, meta keywords, an array with all the links, all the images in it, etc.
LinkThumbnailer - Ruby gem that generates thumbnail images and videos from a given URL. Much like popular social website with link preview.
anemone - Ruby library and CLI for crawling websites.

Processes and Threads

Parallel
posix-spawn - Fast Process::spawn for Rubys >= 1.8.7 based on the posix_spawn() system interfaces
childprocess - Cross-platform ruby library for managing child processes.
forkoff - brain-dead simple parallel processing for ruby

Concurrency

EventMachine - An event-driven I/O and lightweight concurrency library for Ruby
Celluloid - Actor-based concurrent object framework for Ruby
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.

Configuration

Configatron - Simple and feature rich configuration system for Ruby apps
Configus - Helps you easily manage environment specific settings
Econfig - Flexible configuration for Rails applications
Global - Provides accessor methods for your configuration data
RailsConfig - Multi-environment yaml settings for Rails3

Core Extensions

ActiveSupport - A collection of utility classes and standard library extensions.
Ruby Facets - The premiere collection of general purpose method extensions and standard additions for Ruby.

Error Handling and Monitoring

Exception Notification - A set of notifiers for sending notifications when errors occur in a Rack/Rails application
Errbit - The open source, self-hosted error catcher
Airbrake - The official Airbrake library for Ruby on Rails (and other Rack based frameworks)
Better Errors - Better error page for Rack apps
Raven Ruby - Raven is a Ruby client for Sentry.
Nesty - Nested exceptions for Ruby

Code Analysis and Metrics

SimpleCov - Code coverage for Ruby 1.9+ with a powerful configuration library and automatic merging of coverage across test suites.
Rubocop - A static code analyzer, based on the community Ruby style guide.
rails_best_practices - A code metric tool for rails projects
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.
Brakeman - A static analysis security vulnerability scanner for Ruby on Rails applications.
fukuzatsu - Complexity analysis tool with a rich web front-end.

Dashboards

Dashing-Rails - The exceptionally handsome dashboard framework for Rails.

Debugging Tools

debugger - A port of ruby-debug that works on 1.9.2 and 1.9.3.
Byebug - A simple to use, feature rich debugger for Ruby 2.

Profiler

ruby-prof - A code profiler for MRI rubies
rack-mini-profiler - Profiler for your development and production Ruby rack apps
perftools.rb - gperftools (formerly known as google-perftools) for Ruby code
bullet - help to kill N+1 queries and unused eager loading

Third-party APIs

Octokit - Ruby toolkit for the GitHub API
gitlab - Ruby wrapper and CLI for the GitLab API
fb_graph - A full-stack Facebook Graph API wrapper
twitter - A Ruby interface to the Twitter API
- t - A command-line power tool for Twitter
tweetstream - A simple library for consuming Twitter's Streaming API
ruby-gmail - A Rubyesque interface to Gmail
instagram-ruby-gem - The official gem for the Instagram REST and Search APIs
soundcloud-ruby - Official SoundCloud API Wrapper for Ruby
linkedin - Provides an easy-to-use wrapper for LinkedIn's REST APIs
Yt - An object-oriented Ruby client for YouTube API V3
youtube_it - An object-oriented Ruby wrapper for the YouTube GData API
ruby-trello - Implementation of the Trello API for Ruby
hipchat-rb - HipChat HTTP API Wrapper in Ruby with Capistrano hooks
flickr - A Ruby interface to the Flickr API
wikipedia - Ruby client for the Wikipedia API.
Dropbox - Dropbox API Ruby Client.
itunes_store_transporter - Ruby wrapper around Apple's iTMSTransporter program

CMS

Admin Interface

ActiveAdmin - a Ruby on Rails framework for creating elegant backends for website administration
RailsAdmin
bhf - A simple to use Rails-Engine-Gem that offers an admin interface for trusted user

Static Site Generation

Jekyll - Transform your plain text into static websites and blogs
Middleman - A static site generator using all the shortcuts and tools in modern web development
Nanoc - A static site generator, fit for building anything from a small personal blog to a large corporate web site.

SEO

FriendlyId - The "Swiss Army bulldozer" of slugging and permalink plugins for Active Record
MetaTags - A gem to make your Rails application SEO-friendly
SitemapGenerator - A framework-agnostic XML Sitemap generator written in Ruby

Social Networking

diaspora* - A privacy aware, distributed, open source social network
Discourse - A platform for community discussion. Free, open, simple
Forem

E-Commerce and Payments

Active Merchant - A simple payment abstraction library extracted from Shopify
Spree
ROR Ecommerce
stripe-ruby - Stripe Ruby bindings
Paypal Merchant SDK - Official Paypal Merchant SDK for Ruby

Analytics

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

RSS

Feedjira - A feed fetching and parsing library.
Simple rss - A simple, flexible, extensible, and liberal RSS and Atom reader.
Feed normalizer - Extensible Ruby wrapper for Atom and RSS parsers.
Ratom - A fast, libxml based, Ruby Atom library.

DevOps Tools

Capistrano - A remote server automation and deployment tool written in Ruby
Backup - Provides an elegant DSL in Ruby for performing backups on UNIX-like systems
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
Vagrant - Create and configure lightweight, reproducible, and portable development environments
Chef - A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure
Mina - Really fast deployer and server automation tool.
Lita - ChatOps for Ruby: A pluggable chat bot framework usable with any chat service.

Git Tools

hub - a command line tool that wraps Git in order to extend it with extra features and commands that make working with GitHub easier
Rugged - Ruby bindings to libgit2
git-auto-bisect - Find the commit that broke master
git-whence - Find which merge a commit came from
git-spelunk - Dig through git blame history

GUI

Game Development

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

Mobile Development

RubyMotion - A revolutionary toolchain that lets you quickly develop and test native iOS and OS X applications for iPhone, iPad and Mac
Ruboto - A platform for developing full stand-alone apps for Android using the Ruby language and libraries

Robotics

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

Natural Language Processing

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

Abstraction

Interactor - Interactor provides a common interface for performing complex interactions in a single request
Light Service - Series of Actions with an emphasis on simplicity.

Misc

Betty - Friendly English-like interface for your command line. Don't remember a command? Ask Betty
Foreman - Manage Procfile-based applications
Prawn - Fast, Nimble PDF Writer for Ruby
Pry - A powerful alternative to the standard IRB shell for Ruby
Pry Debugger - Pry navigation commands via debugger (formerly ruby-debug)
Guard - A command line tool to easily handle events on file system modifications
play ► - Your company's dj
Treetop - PEG (Parsing Expression Grammar) parser
Yomu - Read text and metadata from files and documents (.doc, .docx, .pages, .odt, .rtf, .pdf)
AASM - A library for adding finite state machines to Ruby classes
Virtus - Attributes on Steroids for Plain Old Ruby Objects

Resources

GitHub Explore
Ruby5 - The latest news in the Ruby and Rails community
The Ruby Toolbox - 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
RubyFlow - Ruby Programming Community Link Blog
RubyDaily - Community driven news
Ruby Weekly - A free, once–weekly e-mail round-up of Ruby news and articles

Other Awesome Lists

Other amazingly awesome lists can be found in the awesome-awesomeness list.

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