Ruby On Rails GitHub Repositories (2026) · Open Source Tools

Upload, transform, optimize, and manage images and videos with Cloudinary from Ruby and Rails

🤖 The one and only Claude Code Skill to Upgrade Rails by FastRuby.io -- Based on 60,000 dev/hours of experience upgrading Rails from 2.3 all the way to 8.1. Dual boot your Rails application and gradually upgrade one minor version at a time. 🚀

Performances & exceptions monitoring for Ruby on Rails applications

💎 Ruby on Rails agent for Forest Admin to integrate directly to your existing Ruby on Rails backend application.

Meilisearch integration for Ruby on Rails

Optimized top-N-per-group Active Record associations using lateral joins

Optimized Docker image for Rails applications

A high-performance Ractor web server for Ruby 4.0+: Rack 3-based, with a Rust Tokio/Hyper front-end and Ractor-parallel Ruby workers and threaded fallback mode.

Very simple captcha with Rails 3 & 4 & 5 & 6 & 7 support

💎 The Missing Cheatsheet for Ruby

Acts As Indexed is a plugin which provides a pain-free way to add fulltext search to your Ruby on Rails app

Self-hosted AI RAG + MCP Platform

A crawler and API server for Liquor Control Board of Ontario retail data

Simple role-based authorization library for Ruby on Rails

A Ruby API wrapper for Recurly

A free JSON API about dogs: 283 breeds, 9 breed groups, 483 facts and about 2,350 openly licensed breed photos

Generate Mermaid ERD from your Ruby on Rails application.

Rails MCP server: stop AI coding agents from guessing your app. A Ruby gem with 35 read-only tools that give Claude Code, Cursor, GitHub Copilot, OpenCode and Codex CLI your real schema, models, routes, controllers and views. MCP or CLI, Gemfile or standalone, and it still answers when the app can't boot.

💳✨ Add usage-based credits to your Rails app

AI framework for Ruby/Rails developers