| #1 | rails/rails Ruby on Rails | Ruby | | |
| #2 | jekyll/jekyll :globe_with_meridians: Jekyll is a blog-aware static site generator in Ruby | Ruby | | |
| #3 | mastodon/mastodon Your self-hosted, globally interconnected microblogging community | Ruby | | |
| #4 | huginn/huginn Create agents that monitor and act on your behalf. Your agents are standing by! | Ruby | | |
| #5 | discourse/discourse A platform for community discussion. Free, open, simple. | Ruby | | |
| #6 | Homebrew/brew 🍺 The missing package manager for macOS (or Linux) | Ruby | | |
| #7 | maybe-finance/maybe The OS for your personal finances | Ruby | | |
| #8 | fastlane/fastlane 🚀 The easiest way to automate building and releasing your iOS and Android apps | Ruby | | |
| #9 | freeCodeCamp/devdocs API Documentation Browser | Ruby | | |
| #10 | rapid7/metasploit-framework Metasploit Framework | Ruby | | |
| #11 | kilimchoi/engineering-blogs A curated list of engineering blogs | Ruby | | |
| #12 | bayandin/awesome-awesomeness A curated list of awesome awesomeness | Ruby | | |
| #13 | hashicorp/vagrant Vagrant is a tool for building and distributing development environments. | Ruby | | |
| #14 | matteocrippa/awesome-swift A collaborative list of awesome Swift libraries and resources. Feel free to contribute! | Ruby | | |
| #15 | heartcombo/devise Flexible authentication solution for Rails with Warden. | Ruby | | |
| #16 | gitlabhq/gitlabhq GitLab CE Mirror \ | Ruby | | |
| #17 | chatwoot/chatwoot Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬 | Ruby | | |
| #18 | ruby/ruby The Ruby Programming Language | Ruby | | |
| #19 | forem/forem For empowering community 🌱 | Ruby | | |
| #20 | Homebrew/homebrew-cask 🍻 A CLI workflow for the administration of macOS applications distributed as binaries | Ruby | | |
| #21 | lewagon/setup Setup instructions for Le Wagon's students on their first day of Web Development Bootcamp | Ruby | | |
| #22 | postalserver/postal 📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail | Ruby | | |
| #23 | CocoaPods/CocoaPods The Cocoa Dependency Manager. | Ruby | | |
| #24 | spree/spree An open source eCommerce platform giving you full control and customizability. Modular and API-first. Multi-vendor, multi-tenant, multi-store, multi-currency, multi-language. Built using Ruby on Rails. Developed by @vendo-dev | Ruby | | |
| #25 | mame/quine-relay An uroboros program with 100+ programming languages | Ruby | | |
| #26 | Homebrew/homebrew-core 🍻 Default formulae for the missing package manager for macOS (or Linux) | Ruby | | |
| #27 | gollum/gollum A simple, Git-powered wiki with a local frontend and support for many kinds of markup and content. | Ruby | | |
| #28 | diaspora/diaspora A privacy-aware, distributed, open source social network. | Ruby | | |
| #29 | sidekiq/sidekiq Simple, efficient background processing for Ruby | Ruby | | |
| #30 | fluent/fluentd Fluentd: Unified Logging Layer (project under CNCF) | Ruby | | |
| #31 | tmuxinator/tmuxinator Manage complex tmux sessions easily | Ruby | | |
| #32 | capistrano/capistrano A deployment automation tool built on Ruby, Rake, and SSH. | Ruby | | |
| #33 | rubocop/rubocop A Ruby static code analyzer and formatter, based on the community Ruby style guide. | Ruby | | |
| #34 | github-linguist/linguist Language Savant. If your repository's language is being reported incorrectly, send us a pull request! | Ruby | | |
| #35 | sinatra/sinatra Classy web-development dressed in a DSL (official / canonical repo) | Ruby | | |
| #36 | basecamp/kamal Deploy web apps anywhere. | Ruby | | |
| #37 | faker-ruby/faker A library for generating fake data such as names, addresses, and phone numbers. | Ruby | | |
| #38 | Shopify/liquid Liquid markup language. Safe, customer facing template language for flexible web apps. | Ruby | | |
| #39 | jordansissel/fpm Effing package management! Build packages for multiple platforms (deb, rpm, etc) with great ease and sanity. | Ruby | | |
| #40 | DeathKing/Learning-SICP MIT视频公开课《计算机程序的构造和解释》中文化项目及课程学习资料搜集。 | Ruby | | |
| #41 | greatghoul/remote-working 收集整理远程工作相关的资料 | Ruby | | |
| #42 | teamcapybara/capybara Acceptance test framework for web applications | Ruby | | |
| #43 | opf/openproject OpenProject is the leading open source project management software. | Ruby | | |
| #44 | ruby-grape/grape An opinionated framework for creating REST-like APIs in Ruby. | Ruby | | |
| #45 | activeadmin/activeadmin The administration framework for Ruby on Rails applications. | Ruby | | |
| #46 | thoughtbot/guides A guide for programming in style. | Ruby | | |
| #47 | resque/resque Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later. | Ruby | | |
| #48 | imathis/octopress Octopress is an obsessively designed framework for Jekyll blogging. It’s easy to configure and easy to deploy. Sweet huh? | Ruby | | |
| #49 | thoughtbot/bourbon A Lightweight Sass Tool Set | Ruby | | |
| #50 | thoughtbot/paperclip Easy file attachment management for ActiveRecord | Ruby | | |
| #51 | freeCodeCamp/how-to-contribute-to-open-source A guide to contributing to open source | Ruby | | |
| #52 | wpscanteam/wpscan WPScan WordPress security scanner. Written for security professionals and blog maintainers to test the security of their WordPress websites. Contact us via contact@wpscan.com | Ruby | | |
| #53 | javan/whenever Cron jobs in Ruby | Ruby | | |
| #54 | docusealco/docuseal Open source DocuSign alternative. Create, fill, and sign digital documents ✍️ | Ruby | | |
| #55 | carrierwaveuploader/carrierwave Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks | Ruby | | |
| #56 | kaminari/kaminari ⚡ A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for Ruby webapps | Ruby | | |
| #57 | ankane/pghero A performance dashboard for Postgres | Ruby | | |
| #58 | varvet/pundit Minimal authorization through OO design and pure Ruby classes | Ruby | | |
| #59 | heartcombo/simple_form Forms made easy for Rails! It's tied to a simple DSL, with no opinion on markup. | Ruby | | |
| #60 | thoughtbot/factory_bot A library for setting up Ruby objects as test data. | Ruby | | |
| #61 | omniauth/omniauth OmniAuth is a flexible authentication system utilizing Rack middleware. | Ruby | | |
| #62 | railsadminteam/rails_admin RailsAdmin is a Rails engine that provides an easy-to-use interface for managing your data | Ruby | | |
| #63 | puma/puma A Ruby/Rack web server built for parallelism | Ruby | | |
| #64 | chef/chef Chef Infra, a powerful automation platform that transforms infrastructure into code automating how infrastructure is configured, deployed and managed across any environment, at any scale | Ruby | | |
| #65 | puppetlabs/puppet Server automation framework and application | Ruby | | |
| #66 | github/scientist :microscope: A Ruby library for carefully refactoring critical paths. | Ruby | | |
| #67 | github-changelog-generator/github-changelog-generator Automatically generate change log from your tags, issues, labels and pull requests on GitHub. | Ruby | | |
| #68 | realm/jazzy Soulful docs for Swift & Objective-C | Ruby | | |
| #69 | flyerhzm/bullet help to kill N+1 queries and unused eager loading | Ruby | | |
| #70 | presidentbeef/brakeman A static analysis security vulnerability scanner for Ruby on Rails applications | Ruby | | |
| #71 | middleman/middleman Hand-crafted frontend development | Ruby | | |
| #72 | community/community Public feedback discussions for: GitHub Mobile, GitHub Discussions, GitHub Codespaces, GitHub Sponsors, GitHub Issues and more! | Ruby | | |
| #73 | skwp/dotfiles YADR - The best vim,git,zsh plugins and the cleanest vimrc you've ever seen | Ruby | | |
| #74 | chyingp/nodejs-learning-guide Nodejs学习笔记以及经验总结，公众号"程序猿小卡" | Ruby | | |
| #75 | BetterErrors/better_errors Better error page for Rack apps | Ruby | | |
| #76 | paper-trail-gem/paper_trail Track changes to your rails models | Ruby | | |
| #77 | pry/pry A runtime developer console and IRB alternative with powerful introspection capabilities. | Ruby | | |
| #78 | bkeepers/dotenv A Ruby gem to load environment variables from `.env`. | Ruby | | |
| #79 | kkuchta/css-only-chat A truly monstrous async web chat using no JS whatsoever on the frontend | Ruby | | |
| #80 | ankane/searchkick Intelligent search made easy | Ruby | | |
| #81 | sj26/mailcatcher Catches mail and serves it through a dream. | Ruby | | |
| #82 | ankane/chartkick Create beautiful JavaScript charts with one line of Ruby | Ruby | | |
| #83 | alexreisner/geocoder Complete Ruby geocoding solution. | Ruby | | |
| #84 | ryanb/cancan Authorization Gem for Ruby on Rails. | Ruby | | |
| #85 | guard/guard Guard is a command line tool to easily handle events on file system modifications. | Ruby | | |
| #86 | hanami/hanami The web, with simplicity. | Ruby | | |
| #87 | busyloop/lolcat Rainbows and unicorns! | Ruby | | |
| #88 | norman/friendly_id FriendlyId is the “Swiss Army bulldozer” of slugging and permalink plugins for ActiveRecord. It allows you to create pretty URL’s and work with human-friendly strings as if they were numeric ids for ActiveRecord models. | Ruby | | |
| #89 | venmo/synx A command-line tool that reorganizes your Xcode project folder to match your Xcode groups | Ruby | | |
| #90 | ddollar/foreman Manage Procfile-based applications | Ruby | | |
| #91 | progit/progit Pro Git Book Content, 1st Edition - This content is deprecated. See 2nd edition at [progit2](https://github.com/progit/progit2) | Ruby | | |
| #92 | vcr/vcr Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests. | Ruby | | |
| #93 | github/markup Determines which markup library to use to render a content file (e.g. README) on GitHub | Ruby | | |
| #94 | instructure/canvas-lms The open LMS by Instructure, Inc. | Ruby | | |
| #95 | jnunemaker/httparty :tada: Makes http fun again! | Ruby | | |
| #96 | lostisland/faraday Simple, but flexible HTTP client library, with support for multiple backends. | Ruby | | |
| #97 | urbanadventurer/WhatWeb Next generation web scanner | Ruby | | |
| #98 | activerecord-hackery/ransack Object-based searching. | Ruby | | |
| #99 | ruby-concurrency/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. | Ruby | | |
| #100 | mislav/will_paginate Pagination library for Rails and other Ruby applications | Ruby | | |