By language

Top Ruby projects

The most-starred MIT projects written mainly in Ruby.

How it's ranked: Sorted by GitHub stars, using GitHub's primary-language detection. Data from GitHub as of 2026-11-02.

1. 1RailsA Ruby web framework for building database-backed web apps using the MVC pattern.rails · Ruby★ 58.8k
2. 2JekyllA Ruby tool that turns Markdown and templates into a static website, with blog support.jekyll · Ruby★ 51.7k
3. 3HuginnSelf-hosted system that runs automated agents to watch the web and feeds, then act on what they find.huginn · Ruby★ 50.3k
4. 4fastlaneOpen-source tool that automates iOS and Android app builds, screenshots, signing, and releases.fastlane · Ruby★ 42.3k
5. 5DeviseReady-made user sign-up, login, and password reset for Rails apps, built on Warden.heartcombo · Ruby★ 24.4k
6. 6PostalSelf-hosted mail server for sending and receiving email from your own websites and apps.postalserver · Ruby★ 16.9k
7. 7KamalDeploys containerized web apps to your own servers with zero-downtime switching.basecamp · Ruby★ 14.7k
8. 8GollumA simple wiki that stores pages as files in a Git repository, editable locally or in the browser.gollum · Ruby★ 14.3k
9. 9LinguistRuby library that detects a code file's language and reports language breakdowns for a Git repository.github-linguist · Ruby★ 13.8k
10. 10tmuxinatorA Ruby command-line tool that defines tmux sessions, windows and panes in YAML config files.tmuxinator · Ruby★ 13.7k
11. 11CapistranoA Ruby tool that runs deployment steps on your servers over SSH from the command line.capistrano · Ruby★ 13k
12. 12RuboCopA Ruby linter and auto-formatter that checks code against the community Ruby style guide.rubocop · Ruby★ 12.9k
13. 13SinatraA small Ruby library for building web apps and APIs with minimal code.sinatra · Ruby★ 12.5k
14. 14FakerA Ruby library that generates realistic-looking fake names, addresses, and other test data.faker-ruby · Ruby★ 11.9k
15. 15LiquidA safe template language for letting users customize pages without running their code on your server.Shopify · Ruby★ 11.9k
16. 16远程工作者A curated Chinese-language collection of articles, jobs, videos, books and tools about remote work.greatghoul · Ruby★ 11.8k
17. 17CapybaraRuby library for automated tests that drive a web app the way a real user would.teamcapybara · Ruby★ 10.2k
18. 18GumroadOpen-source source code for Gumroad, a platform where creators sell products directly to buyers.antiwork · Ruby★ 10.1k
19. 19GrapeA Ruby framework for building REST-style web APIs with a simple DSL.ruby-grape · Ruby★ 10k