Ruby on Rails

Better error page for Rack apps

Manage your Ruby application's gem dependencies

A Ruby interface to the Twitter API.

The open source error catcher that's Airbrake API compliant

A wonderfully simple calendar gem for Rails

Create a virtual X screen from Ruby, record videos and take screenshots.

Artificial Intelligence for Ruby - A Ruby playground for AI researchers

Super simple conversion of hashes into plain Ruby objects. Also works in RubyMotion.

Ruby - Google Search API

Audit activerecord models like a boss (and works with rails 4!)

A few hacks n' helpers to make your code more fun and unpredictable.

The gem enhances Exception#message by adding a short explanation where the exception is raised

A simple Raft distributed consensus implementation in Ruby

A gem for calculating technical analysis indicators.

*UNMAINTAINED* A lightweight, fast XLSX reader