Welcoming Repositories Index Ruby Ecosystem
Top Welcoming Open-Source Ruby Repositories
Top welcoming Ruby repositories. Scored by real 90-day external PR merge rates, maintainer review turnaround speed, and first-time contributor success.
Updated daily • Sun, 11 Oct 2026 UTC
Tracked Repos
3,406
>100 stars verified
Avg Merge Rate
80%
90-day external PRs
Open GFIs
36
Beginner friendly issues
Welcoming Tier
50
S & A Tier maintainers
Ranked Ruby Repositories
Showing top 50 of 3,406 ranked repositories
| Rank | Repository | Tier | Score | Merge Rate | Good First Issues |
|---|---|---|---|---|---|
| #1 | Official Ruby SDK for the OpenAI API | S•Elite | 79.1 | 90.6% | - |
| #2 | On a mission to index all Ruby events. | S•Elite | 77.5 | 82.4% | 3 |
| #3 | Repository of Japanese Ruby reference manual | S•Elite | 76.0 | 88.1% | - |
| #4 | Wiki Education Foundation's Wikipedia course dashboard system | S•Elite | 75.5 | 78.0% | 2 |
| #5 | discourse/discourse47,951 A platform for community discussion. Free, open, simple. | S•Elite | 73.6 | 72.8% | - |
| #6 | A comprehensive collection of Quran resources | S•Elite | 73.5 | 81.0% | - |
| #7 | LINE Messaging API SDK for Ruby | S•Elite | 73.1 | 96.2% | - |
| #8 | The Ruby community's gem hosting service. | S•Elite | 72.9 | 72.6% | 1 |
| #9 | A framework for building reusable, testable & encapsulated view components in Ruby on Rails. | S•Elite | 72.7 | 90.6% | - |
| #10 | o19s/quepid343 Improve your OpenSearch, Elasticsearch, Solr, Vectara, Algolia and Custom Search search quality. | S•Elite | 72.4 | 81.6% | - |
| #11 | Package manager for Chrome OS | S•Elite | 71.8 | 86.4% | - |
| #12 | ArchivesSpace, the archives management tool | S•Elite | 71.5 | 76.3% | - |
| #13 | Volunteer management system for nonprofit CASA, which serves foster youth in counties across America. | S•Elite | 70.8 | 88.2% | 5 |
| #14 | cloudfoundry/bosh2,079 Cloud Foundry BOSH is an open source tool chain for release engineering, deployment and lifecycle management of large scale distributed services. | S•Elite | 70.5 | 90.0% | - |
| #15 | A Test Kitchen Driver for Amazon EC2 | S•Elite | 70.3 | 92.0% | - |
| #16 | A high performance implementation of the Ruby programming language, built on GraalVM. | S•Elite | 70.1 | 76.9% | 1 |
| #17 | :christmas_tree: Giving back to open source for the holidays | A•Welcoming | 69.7 | 82.2% | - |
| #18 | dazuma/toys128 A configurable command line tool for builds and workflow automation | A•Welcoming | 69.6 | 92.5% | - |
| #19 | プログラマー向けEラーニングシステム | A•Welcoming | 69.4 | 63.3% | 1 |
| #20 | Open source electronic lab notebook (ELN) that helps you manage your laboratory work and stores all your experimental data in one place. | A•Welcoming | 69.4 | 83.3% | - |
| #21 | :traffic_light: Traffic control for code. | A•Welcoming | 69.3 | 68.8% | 2 |
| #22 | Login.gov Core App: Identity Provider (IdP) | A•Welcoming | 69.0 | 69.7% | - |
| #23 | Open data project for small-scale food growers, written in rails | A•Welcoming | 68.9 | 75.9% | - |
| #24 | clacky-ai/openclacky1,204 The most Token-efficient open-source AI Agent | A•Welcoming | 68.8 | 59.2% | - |
| #25 | ruby/ruby23,679 The Ruby Programming Language | A•Welcoming | 68.7 | 67.3% | - |
| #26 | Get a flamegraph anywhere in your code base. Powered by stackprof, rbspy, and speedscope | A•Welcoming | 68.7 | 90.0% | - |
| #27 | Kafka input and output plugin for Fluentd | A•Welcoming | 68.6 | 100.0% | - |
| #28 | voc/voctoweb236 voctoweb – the frontend and backend software behind media.ccc.de | A•Welcoming | 68.5 | 87.0% | - |
| #29 | kpumuk/meta-tags2,801 Search Engine Optimization (SEO) for Ruby on Rails applications. | A•Welcoming | 68.4 | 95.0% | - |
| #30 | REST client for Google APIs | A•Welcoming | 68.4 | 99.7% | - |
| #31 | Informative site with EoL dates of everything | A•Welcoming | 68.2 | 71.5% | - |
| #32 | Build LLM-powered applications in Ruby | A•Welcoming | 67.9 | 100.0% | - |
| #33 | opf/openproject16,366 OpenProject is the leading open source project management software for product, project and portfolio management. A powerful Jira alternative with agile planning, issue tracking, roadmaps, Gantt charts, time tracking, collaboration features, and more. Available on premises or in the cloud. ⭐ Star us on GitHub | A•Welcoming | 67.9 | 58.1% | - |
| #34 | Self hosted Ebook and Audiobook management system | A•Welcoming | 67.9 | 68.1% | - |
| #35 | freeCodeCamp/devdocs39,538 API Documentation Browser | A•Welcoming | 67.8 | 82.4% | - |
| #36 | Opinionated template for starting new web applications with Ruby on Rails and Hotwire | A•Welcoming | 67.8 | 97.1% | - |
| #37 | fetlife/rollout2,903 Feature flippers. | A•Welcoming | 67.8 | 89.5% | - |
| #38 | Google Cloud Client Library for Ruby | A•Welcoming | 67.8 | 72.6% | - |
| #39 | ruby-git/ruby-git1,799 Ruby/Git is a Ruby library that can be used to create, read and manipulate Git repositories by wrapping system calls to the git binary. | A•Welcoming | 67.6 | 81.7% | - |
| #40 | decidim/decidim1,829 The participatory democracy framework. A generator and multiple gems made with Ruby on Rails | A•Welcoming | 67.4 | 65.2% | - |
| #41 | resque/resque9,467 Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later. | A•Welcoming | 67.4 | 90.0% | - |
| #42 | spree/spree15,750 Open Source Platform for DTC, B2B Commerce, Marketplaces & Omnichannel. REST APIs, TypeScript SDKs, and production-ready Next.js storefront. Self-host it. Own your data. No vendor lock-in. Zero platform fees. | A•Welcoming | 67.1 | 71.9% | - |
| #43 | errbit/errbit4,269 The open source error catcher that's Airbrake API compliant :ukraine: | A•Welcoming | 66.9 | 56.4% | 1 |
| #44 | Blacklight provides a discovery interface for any Solr (http://lucene.apache.org/solr) index. | A•Welcoming | 66.8 | 95.0% | - |
| #45 | Dématérialiser et simplifier les démarches administratives | A•Welcoming | 66.7 | 62.1% | - |
| #46 | 🍀 Trefle is a botanical JSON REST API for plants species, allowing you to search and query over all the registered species, and build the next gardening apps and farming robots. | A•Welcoming | 66.7 | 90.2% | - |
| #47 | A•Welcoming | 66.2 | 86.0% | 20 | |
| #48 | antiwork/gumroad9,834 See what sticks | A•Welcoming | 66.1 | 19.0% | - |
| #49 | Chef configuration management repo for configuring & maintaining the OpenStreetMap servers. | A•Welcoming | 66.1 | 88.2% | - |
| #50 | Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape. | A•Welcoming | 66.0 | 70.6% | - |
How to Get Your Ruby PR Merged
1
Check C-Rank™ First: Pick projects with S or A tiers to avoid maintainer ghosts and slow review cycles.
2
Run Local Verification: Ensure test suites and formatting linters pass before opening a pull request.
3
Submit in Maintainer Windows: Check the repository report card to submit when maintainers are most active.
Get this week's top welcoming repos + fresh Good First Issues for Ruby
Free weekly email, scoped to Ruby. No account needed - confirm once and unsubscribe anytime.
Frequently Asked Questions: Ruby Open Source
What is the most welcoming Ruby open-source repository?
The highest-ranked Ruby repository on GetMerged is currently openai/openai-ruby, with a C-Rank score of 79.1/100 and a 90.6% PR merge rate.
How can I find good first issues in Ruby?
You can browse verified beginner-friendly issues in Ruby by visiting our curated Good First Issues directory at getmerged.abhishekco.de/good-first-issue/ruby.
What makes a Ruby repository ‘Super Welcoming’ on GetMerged?
A ‘Super Welcoming’ (S-Tier) Ruby repository demonstrates an external PR merge rate above 80%, a median first response time within 24 to 48 hours, active review feedback, and clear onboarding documentation.