A curated list of awesome Ruby frameworks, libraries and resources. Inspired by awesome-php & awesome-python.

Your Pull requests are welcome! Let's make this the awesomest resource for Ruby 💜

• Awesome Ruby
  • Admin Panels
  • Anti-spam
  • Asset Management
  • Audio
  • Authentication and OAuth
  • Build Tools
  • Caching
  • Cloud Services
  • CMS
  • Code Analysis and Linter
  • Command-line Tools
  • Configuration
  • CSS and Styling
  • Data Validation
  • Data Visualization
  • Database Drivers
  • Date and Time
  • Debugging Tools
  • DevOps Tools
  • Distribution
  • Documentation
  • Downloader
  • E-Commerce & Online Paying
  • E-Mail
  • Environment Management
  • File Uploading
  • Foreign Function Interface
  • Forms
  • Game Development
  • Geolocation
  • GUI
  • High Performance
  • HTML/XML/CSS Manipulation
  • HTTP
  • Imagery
  • Internationalization
  • Logging
  • Machine Learning
  • MapReduce
  • Natural Language Processing
  • Networking
  • ORM
  • Package Management
  • Presentation Tools
  • Processes and Threads
  • Push Notification
  • Queue
  • Spreadsheets
  • RESTful API
  • Science and Data Analysis
  • Search
  • Site Monitoring
  • Starter Apps
  • Tagging
  • Template Engine
  • Testing
  • Text Processing
  • Third-party APIs
  • URL Manipulation
  • Video
  • Web Content Extracting
  • Web Crawling
  • Web Frameworks
  • Web Servers
  • WebSocket
• Miscellaneous
  • Editor Plugins
• Resources
  • People to Follow
• Other Awesome Lists
• Contributing

Libraries for administrative interfaces.

• active_admin The administration framework for Ruby on Rails applications
• rails_admin A Rails engine that provides an easy-to-use interface for managing your data

Libraries for fighting spam.

• RubySpamAssassin Kills Spam Dead. Perhaps before it's sent!

Tools for managing, compressing and minifying website assets.

• sprockets Rack-based asset packaging system
• rails-assets is the frictionless proxy between Bundler and Bower

• seal A C library (with Ruby binding) for 3D audio rendering

Libraries for implementing authentications schemes.

• Devise - Devise is a flexible authentication solution for Rails based on Warden
• Omniauth - OmniAuth is a flexible authentication system utilizing Rack middleware
• Warden - General Rack Authentication Framework
• AuthLogic - A simple ruby authentication solution
• Sorcery - Magical authentication for Rails 3 & 4
• CanCanCan Authorization gem for Rails (continued version of CanCan from ryanb)
• pundit - Minimal authorization using object oriented design.
• authority - ORM neutral authorization.
• doorkeeper An OAuth 2 provider for Rails

Compile software from source code.

• teapot A decentralised build tool for managing complex cross-platform projects

Libraries for caching data.

• rack-cache HTTP Caching for Ruby Web Apps
• Dalli - a high performance pure Ruby client for accessing memcached servers.

• fog The Ruby cloud services library
• aws-sdk-ruby The official AWS SDK for Ruby

Content management systems

• Refinery An extendable Ruby on Rails CMS that supports Rails 3.2 and 4
• Comfortable Mexican Sofa A powerful Rails 4 CMS Engine
• Browser Humane Content Management for Rails
• Locomotive a brand new CMS system with super sexy UI and cool features
• Radiant A no-fluff, open source content management system
• Nesta A lightweight CMS, implemented in Sinatra
• alchemy_cms the most powerful, user friendly and flexible Rails CMS
• weby Newbie CMS in Ruby on Rails

Libraries and tools for analysing, parsing and manipulation codebases.

• Rubocop - A Ruby static code analyzer, based on the community Ruby style guide.
• ruby-lint - ruby-lint is a static code analysis tool for Ruby

Libraries for building command-line application.

• Commander - The complete solution for Ruby command-line executables
• Thor - Thor is a toolkit for building powerful command-line interfaces

Libraries for storing configuration options.

• sass A CSS preproccessor
  • sass-rails Rails stylesheet engine for Sass
• less-rails The dynamic stylesheet language for the Rails
• compass A a Stylesheet Authoring Environment
• bootstrap-sass Official Sass port of Bootstrap
• foundation-rails Foundation for Rails
• bootswatch-rails Bootswatches converted to SCSS ready to use in Rails
• bourbon A lightweight mixin library for Sass

Libraries for validating data. Used for forms in many cases.

• kangal - Extended validation gem for email, subdomain, credit card, tax number etc
• bin_checker - BIN validator for Turkish Banks

Libraries for visualizing data.

• prosperity The easiest way to graph data from your Rails models

Libraties for connecting and operating databases.

• Relational Databases

  • ruby-pg Ruby interface to the PostgreSQL >= 8.4
  • mysql2 A modern, simple and very fast Mysql library for Ruby
  • sqlite3-ruby Ruby bindings for the SQLite3 embedded database

• NoSQL Databases

Libraries for working with dates and times.

• stamp Date and time formatting for humans

Libraries for debugging and developing.

• byebug - Debugging in Ruby 2
• debugger - port of ruby-debug that works on 1.9.2 and 1.9.3

Software and libraries for DevOps.

• Puppet - Server automation framework and application
• Chef - A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.
• Vagrant - Vagrant is a tool for building and distributing development environments.
• Capistrano - Remote multi-server automation tool
• Mina Really fast deployer and server automation tool

Libraries to create packaged executables for release distribution.

• fpm Building packages for multiple platforms (deb, rpm, etc) with great ease and sanity.

Libraries for generating project documentation.

• rdoc HTML and online documentation for Ruby projects
• yard A Ruby Documentation tool

Libraries for downloading.

• Active Merchant - A simple payment abstraction library extracted from Shopify.
• Spree - A complete open source e-commerce solution for Ruby on Rails.
• PayPal Merchant SDK - Provides Ruby APIs for processing payments, recurring payments, subscriptions and transactions using PayPal's Merchant APIs.

Libraries for sending and parsing email.

• mail A Really Ruby Mail Library
• mailman An incoming mail processing microframework in Ruby

Libraries for Ruby version and environment management.

• chruby - Changes the current Ruby
• chgems - Chroot for RubyGems
• rvm - Ruby Version Manager
• rbenv - Groom your app’s Ruby environment
• ruby-install - Installs Ruby, JRuby, Rubinius, MagLev or MRuby
• ruby-build - Compile and install Ruby

Libraries for exception and error handling.

• 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

Libraries for handling file uploads.

• paperclip Easy file attachment management for ActiveRecord
• dragonfly On-the-fly processing - suitable for image uploading in Rails, Sinatra and much more
• carrierwave Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks

Libraries for providing foreign function interface.

Libraries for working with forms.

• simple_form Forms made easy for Rails
• formtastic A Rails form builder plugin with semantically rich and accessible markup

Awesome game development libraries.

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

Libraries for geocoding addresses and working with latitudes and longitudes.

• geocoder Complete Ruby geocoding solution
• Geokit - Geokit gem provides geocoding and distance/heading calculations.

Libraries for working with Git VCS

• katip - Change logger for Git initialized projects

Libraries for working with graphical user interface applications.

• shoes A tiny graphical app kit for ruby
  • shoes4 the next version of Shoes

Libraries for making Ruby faster.

• EventMachine - EventMachine: fast, simple event-processing library for Ruby programs
• Celluloid - Actor-based concurrent object framework for Ruby

Libraries for working with HTML, XML & CSS.

• Nokogiri
• loofah A general library for manipulating and transforming HTML/XML documents and fragments

Libraries for working with HTTP.

• httparty Makes http fun again!
• faraday Simple, but flexible HTTP client library, with support for multiple backends.
• http A simple Ruby DSL for making HTTP requests
• excon Usable, fast, simple HTTP(S) 1.1 for Ruby
• nestful Simple Ruby HTTP/REST client with a sane API

Libraries for manipulating images.

• rmagick An interface to the ImageMagick and GraphicsMagick image processing libraries
  • minimagick Minified version of rmagick
• chunky_png Read/write access to PNG images in pure Ruby
• image_optim Optimize images using multiple utilities
• magickly image manipulation as a (plugin-able) service

Libraries for woking with i18n.

• i18n - Basic internationalization(i18n) library for Ruby
• globalize Rails I18n de-facto standard library for ActiveRecord model/data translation
• i18n-tasks Manage translations in ruby applications with the awesome power of static analysis

Libraries for generating and working with log files.

• Logstash Logstash is a tool for managing events and logs.

Libraries for Machine Learning.

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

Framworks and libraries for MapReduce.

Libraries for working with human languages.

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

Libraries for network programming.

Libraries that implement Object-Relational Mapping or datamapping techniques.

• Relational Databases

  • ActiveRecord - Databases on Rails. Build a persistent domain model by mapping database tables to Ruby classes
  • DataMapper - DataMapper is an Object Relational Mapper written in Ruby. The goal is to create an ORM which is fast, thread-safe and feature rich.
  • Sequel - The Database Toolkit for Ruby

• NoSQL Databases

  • Mongoid - Mongoid (pronounced mann-goyd) is an Object-Document-Mapper (ODM) for MongoDB written in Ruby.
  • Ohm - Object-Hash Mapping for Redis

Libraries for package and dependency management.

• RubyGems - RubyGems is a package manager for the Ruby programming language that provides a standard format for distributing Ruby programs and libraries
• Bundler - Bundler provides a consistent environment for Ruby projects by tracking and installing the exact gems and versions that are needed
• Homebrew - Homebrew installs the stuff you need that Apple didn’t
• Homebrew Cask - Cask provides a friendly homebrew-style CLI workflow for the administration of Mac applications distributed as binaries

• kaminari A Scope & Engine based, clean, powerful, customizable and sophisticated paginator
• will_paginate Pagination library for Rails 3, Sinatra, Merb, DataMapper, and more

• wicked_pdf PDF generator (from HTML) plugin for Ruby on Rails
• pdfkit HTML CSS to PDF using wkhtmltopdf
• prawn Fast, Nimble PDF Writer for Ruby

• rabbit A programable presentaton tool by Ruby
• reveal-ck Reveal.js presentations with a Ruby toolset

Libraries for woking with processes or threads

• Parallel - Ruby parallel processing made simple and fast

• bullet - help to kill N 1 queries and unused eager loading

• Rpush - The push notification service for Ruby.
• apn_sender - Background worker to send Apple Push Notifications over a persistent TCP socket.
• Houston - A simple gem for sending Apple Push Notifications.

Libraries for working with event and task queues.

• Resque A Redis-backed Ruby library for creating background jobs, placing them on multiple queues.
• Delayed::Job — Database backed asynchronous priority queue.
• Qu A Ruby library for queuing and processing background jobs.
• Sidekiq Simple, efficient background processing for Ruby

Libraries for developing RESTful APIs.

• Grape - An opinionated micro-framework for creating REST-like APIs in Ruby.
• Rails::API - Rails for API only applications
• jbuilder - Create JSON structures via a Builder-style DSL
• rabl - General Ruby templating with json, bson, xml, plist and msgpack support
• active_model_serializers - ActiveModel::Serializer implementation and Rails hooks
• oat - Adapters-based API serializers with Hypermedia support for Ruby apps (HAL, Siren, JSONAPI).

Libraries for manipulating Excel, Google Spreadsheets, Numbers, OpenOffice and LibreOffice files

• spreadsheet - The Spreadsheet Library is designed to read and write Spreadsheet Documents.
• axlsx - Axlsx excels at helping you generate beautiful Office Open XML Spreadsheet documents.
• axlsx_rails - Axlsx_Rails provides an Axlsx renderer so you can move all your spreadsheet code from your controller into view files.
• roo - Roo implements read access for all spreadsheet types and read/write access for Google spreadsheets.
• google-spreadsheet-ruby - This is a library to read/write Google Spreadsheet.
• rubyXL - rubyXL is a gem which allows the parsing, creation, and manipulation of Microsoft Excel (.xlsx/.xlsm) Documents
• Odf-report - Generates ODF files, given a template (.odt) and data, replacing tags
• simple_xlsx_writer - Just as the name says, simple writter for Office 2007 Excel files
• remote_table - Open local or remote XLSX, XLS, ODS, CSV (comma separated), TSV (tab separated), other delimited, fixed-width files, and Google Docs.
• acts_as_xlsx - acts_as_xlsx lets you turn any ActiveRecord::Base inheriting class into an excel spreadsheet.
• activeadmin-axlsx - This gem uses axlsx to provide excel/xlsx downloads for resources in Active Admin.
• to_spreadsheet - Render XLSX from Rails using existing views
• write_xlsx - write_xlsx is a gem to create a new file in the Excel 2007 XLSX format.
• excel_rails - Allows you to program spreadsheets using .rxls views
• sheets - Work with spreadsheets easily in a native ruby format.
• workbook - Workbook contains workbooks, as in a table, contains rows, contains cells, reads/writes excel, ods and csv and tab separated files...
• Spreadsheet report - Simple tool for running queries against ActiveRecord and putting them into a Google Spreadsheet.
• oxcelix - A fast Excel 2007/2010 (.xlsx) file parser that returns a collection of Matrix objects
• wrap_excel - WrapExcel is to wrap the win32ole, and easy to use Excel operations with ruby. Detailed description please see the README.
• write_xlsx_rails - xlsx renderer for Rails base on write_xlsx gem

• whenever Cron jobs in Ruby
• resque-scheduler A light-weight job scheduling system built on top of resque
• rufus-scheduler Scheduler for Ruby
• 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.

Libraries for scientific computing and data analyzing.

Libraries and software for indexing and performing search queries on data.

• Thinking Sphinx - Sphinx plugin for ActiveRecord/Rails
• elasticsearch-ruby - Ruby integrations for Elasticsearch
• Searchkick - Intelligent search made easy
• PgSearch - PostgreSQL's full text search
• Rroonga - The Ruby bindings of Groonga
• Sunspot - Solr-powered search for Ruby objects

Libs for analytics, monitoring

• rack-google-analytics Simple Rack middleware for implementing google analytics tracking
• DataDog A monitoring service for IT, operations and development teams
• Keen IO Build analytics features directly into your Ruby apps

• jekyll A blog-aware, static site generator in Ruby
• middleman

App templates for creating apps quickly

• suspenders A Rails template with our standard defaults, ready to deploy to Heroku
• ruby2-rails4-bootstrap-heroku A starter application based on Ruby 2, Rails 4 and Bootstrap for Sass, deployable on Heroku
• rails-bootstrap Rails 4.1 starter app with the Bootstrap front-end framework
• rails4-starterkit Rails 4.1 starter app with production ready performance, security, and authentication
• cybele - Rails 4.x template with responder, simple form, haml, exception notification, etc ...

Libraries for parsing and manipulating texts.

• General

• Specific Formats

• Parser

  • Yomu - Read text and metadata from files and documents (.doc, .docx, .pages, .odt, .rtf, .pdf)

Libraries for tagging items.

• acts-as-taggable-on - A tagging plugin for Rails applications that allows for custom tagging along dynamic contexts.

Libraries and tools for templating and lexing.

• Slim A templating lang that reduce the syntax to the essential parts without becoming cryptic.
  • slim-rails Rails port of Slim lang
• Haml HTML Abstraction Markup Language - A Markup Haiku
  • haml-rails Rails port of Haml lang
• Tilt
• Liquid

Libraries for testing codebases and generating test data.

• Testing Frameworks

  • RSpec - BDD for Ruby
  • MiniTest - minitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, and benchmarking
  • [Cucumber]
    • Cucumber Github - Cucumber is a tool that executes plain-text functional descriptions as automated tests
    • Cucumber Site - Behaviour Driven Development with elegacy and joy
  • 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.
  • Rubytest - Rubytest is a testing metaframework usedful for create highly customize test suites or building whole new test frameworks.
    • BRASS - Bare-metal Ruby assertion system standard used by Rubytest.
    • Lemon - Strict unit test system built on top of Rubytest.
  • shoulda-matchers - Collection of testing matchers extracted from Shoulda
  • capybara - Acceptance test framework for web applications

• Mock

  • RSpec-mocks - RSpec's 'test double' framework, with support for stubbing and mocking
  • Mocha - Mocking and stubbing library with JMock/SchMock syntax, which allows mocking and stubbing of methods on real (non-mock) classes.
  • FlexMock - Flexible mocking for Ruby testing

• Fake Data

  • Faker - A library for generating fake data such as names, addresses, and phone numbers
  • ffaker - Faker Refactored.
  • Forgery - Easy and customizable generation of forged data.

• Code Coverage

  • simplecov Code coverage for Ruby 1.9 with a powerful configuration library and automatic merging of coverage

• Load Testing

• Error Handler

Libraries for accessing third party APIs.

• koala A lightweight, flexible library for Facebook
• fb_graph A full-stack Facebook Graph API wrapper
• twitter A Ruby interface to the Twitter API
• tweetstream A simple library for consuming Twitter's Streaming API
• gitlab Ruby wrapper and CLI for the GitLab API
• octokit.rb Ruby toolkit for the GitHub API
• instagram The official gem for the Instagram API
• linkedin Ruby wrapper for the LinkedIn API
• twilio-ruby A Ruby gem for communicating with the Twilio API and generating TwiML
• viewpoint-spws A Microsoft Sharepoint Web Services library for Ruby.
• youtube_it An object-oriented Ruby wrapper for the YouTube GData API
• flickraw Flickraw is a library to access flickr api
• f00px Official 500px api ruby gem

Libraries for parsing URLs.

Libraries for manipulating video and GIFs.

• streamio-ffmpeg Simple yet powerful ruby ffmpeg wrapper for reading metadata and transcoding movies

Libraries for extracting web contents.

Libraries for scraping websites.

• upton A batteries-included framework for easy web-scraping
• metainspector

Web development frameworks.

• Ruby On Rails - Ruby on Rails is a full-stack web framework optimized for programmer happiness and sustainable productivity
• Sinatra - Sinatra is a DSL for quickly creating web applications in Ruby with minimal effort.
• Padrino - The Godfather of Sinatra provides a full-stack agnostic framework on top of Sinatra
• Cramp - Cramp is a fully asynchronous real-time web application framework in Ruby
• Lotus - A newborn complete Ruby web framework that is simple, fast and lightweight.
• Cuba - Cuba is a microframework for web development originally inspired by Rum, a tiny but powerful mapper for Rack applications.
• Pakyow - Pakyow is an open-source framework for the modern web. Build working software faster with a development process that remains friendly to both designers and developers. It's built for getting along.

App server interface

• puma A simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications.
• thin A thin and fast web server
• trinidad Run Rails or Rack applications within an embedded Apache Tomcat container.
• unicorn An HTTP server for Rack applications designed to only serve fast clients.
• passenger A modern web server and application server for Ruby, Python and Node.js.
• pow Pow treats files and directories as ruby objects giving you more power and flexibility.
• goliath is a non-blocking Ruby web server framework.

Libraries for woking with WebSocket.

• Faye - Simple pub/sub messaging for the web
• websocket-rails - Plug and play websocket support for ruby on rails.

Useful libraries or tools that don't fit in the categories above.

• packetfu A mid-level packet manipulation library for Ruby.
• chatterbot A straightforward ruby-based Twitter Bot Framework, using OAuth to authenticate
• sneakers A fast background processing framework for Ruby and RabbitMQ
• ransack Object-based searching.
• cinch The IRC Bot Building Framework
• pry An IRB alternative and runtime developer console
• friendly_id Slugging and permalink plugins for ActiveRecord
• backup An elegant DSL in Ruby for performing backups on UNIX-like systems
• kss Documenting CSS and generating styleguides
• AASM - A library for adding finite state machines to Ruby classes
• JsonCompare - Returns the difference between two JSON files
• blankable - Adds blank slates to index view in Rails
• tcmb_currency - T.C.M.B. currencies for Money Gem
• enumerize - Enumerated attributes with I18n and ActiveRecord/Mongoid support

Plugins for various editors.

• vim-ruby Vim/Ruby Configuration Files
• vim-rails rails.vim: Ruby on Rails power tools

Where to discover things (libraries, news e.g) about Ruby.

• The Ruby Toolbox
• RubyGems
• RubyDaily - Community driven news
• Ruby Weekly - A free, once–weekly e-mail round-up of Ruby news and articles.
• Ruby5 - The latest news in the Ruby and Rails community
• RubyFlow - Ruby Programming Community Link Blog
• GemBundle - A place to discover new Ruby Gems

People in Ruby World

• Yukihiro "Matz" Matsumoto - Creator of Ruby lang
• David Heinemeier Hansson - Creator of Rails framework
• Koichi Sasada - Ruby core committer and the developer of YARV
• Aaron Patterson - Committer to Nokogiri, Ruby, and Ruby on Rails
• Avdi Grimm - Host of Ruby Tapas webcasts
• Aman Gupta- Ruby core committer

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

Your Pull requests are welcome! Let's make this the awesomest resource for Ruby <3