Ruby on Rails

Manage your Ruby application's gem dependencies

Efficient, Immutable, Thread-Safe Collection classes for Ruby

Contracts for Ruby.

A small PEG based parser library. See the Hacking page in the Wiki as well.

Example code for Understanding Computation

Obsolete - use verifying doubles in RSpec 3

Functional Reactive Programming in Ruby.

Ruby Imperative Random Data Generator and Quickcheck

A pattern matching library for Ruby

Create temporary table-backed ActiveRecord models for use in tests

Generative/property-based testing for RSpec

An HTTP/1.1 pipelining implementation atop Net::HTTP

MiniKanren implementation in Ruby

Distributed non-chatty feature switches

Code to support using functional style in Ruby

Having a bad day? Gem install kitty and and run `kitty` to print some kittens.

The official drop.io Ruby gem

RailRoad is a class diagrams generator for Ruby on Rails applications. (Forked)

Easy previews of HTML emails for your Rails app.

A Huet-style zipper in Ruby

Babylon is a framework to build EventMachine based XMPP External Components in Ruby.

Encourage good DB practices in Active Record migrations

Guarding against monsters.

Table-based enums for ActiveRecord

Syphon data from an arel source into ElasticSearch.