EventMachine: fast, simple event-processing library for Ruby programs

Catch unsafe migrations in development

Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber

File Attachment toolkit for Ruby applications

OpenAI API + Ruby! 🤖❤️ Now with Responses API + DeepSeek!

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

⚡️ Vite.js in Ruby, bringing joy to your JavaScript experience

A Rails engine for queueing and managing data migrations.

Fast web framework compatible with Rails.

Qiita-specified markdown processor.

Wisely add "end" in Ruby, Vimscript, Lua, etc. Tree-sitter aware alternative to tpope's vim-endwise

Promises/A+ for Ruby

Rails app for managing a conference CFP

Configurable tool for analyzing Slim templates

pwntools on Ruby!

🎰 Tests the full lifecycle of a Homebrew change.

RuboCop extension focused on ActiveRecord migration.

this is a library of operating csv by SQL queries. you have to install https://github.com/harelba/q/

View framework that brings Schema-driven Development to Rails view