API Documentation Browser

A curated list of engineering blogs

A guide for programming in style.

Easy file attachment management for ActiveRecord

A library for setting up Ruby objects as test data.

💨 Writing Fast Ruby 😍 -- Collect Common Ruby idioms.

Ruby implementation of GraphQL

📮 Untangle your GitHub Notifications

A Rails template with our standard defaults.

A gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and Da…

One beautiful Ruby API for OpenAI, Anthropic, Gemini, Bedrock, OpenRouter, DeepSeek, Ollama, VertexAI, Perplexity, Mistral, GPUStack & OpenAI compatible APIs. Chat, Vision, Audio, PDF, Images, Embe…

Factory Bot ♥ Rails

Multithreaded, Postgres-based, Active Job backend for Ruby on Rails.

Notifications for Ruby on Rails applications

Toolkit for developing sleek command line apps.

RSpec tests for your servers configured by CFEngine, Puppet, Chef, Ansible, Itamae or anything else even by hand

Do some browser detection with Ruby. Includes ActionController integration.

An ActiveRecord plugin for managing lists.

Automated code reviews via mutation testing - semantic code coverage.

Step-by-step debugging and stack navigation in Pry

Ruby Tests Profiling Toolbox

A Capybara driver for headless WebKit to test JavaScript web apps

Headless Chrome Ruby API

Provides iteration per second benchmarking for Ruby

🎄 Giving back to open source for the holidays

Ruby ASCII Table Generator, simple and feature rich.

Experiment Driven Development for Ruby

Turns Ruby into a versatile command line utility

Simplify receiving email in Rails (deprecated)

Ember for Rails 3.1+