AASM - State machines for Ruby classes

A Ruby Object Mapper for Mongo

Rev is a high performance event library for Ruby built on top of libev

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

Fully-featured ruby parser generation using ANTLR version 3

Repository for collecting Locale data for Ruby on Rails I18n as well as other interesting, Rails related I18n stuff

Tornado is an open source version of the scalable, non-blocking web server and tools that power FriendFeed.

Tutorial + Cookbook

Classy web-development dressed in a DSL (official / canonical repo)

a modular Ruby webserver interface

KQueue bindings for Ruby

More than just a new RDoc template

Executable specification for the Ruby programming language using RSpec syntax.

The tiny and fast (subset of) Ruby VM that loves you like you are

Ruby on Rails

Ruby on Rails TextMate bundle [Learn it with PeepCode - http://peepcode.com/products/textmate-for-rails-2]

LLVM bindings for Ruby

Fully-featured ruby parser generation using ANTLR version 3

the 10 second blog-engine for hackers

Per-Face Texture Mapping for Production Rendering https://wdas.github.io/ptex

Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed.

Hpricot has ended. Please consider an alternative like nokogiri.

Pro Git Book Content, 1st Edition - This content is deprecated. See 2nd edition at [progit2](https://github.com/progit/progit2)

A Ruby Object Mapper for Mongo

JRuby, an implementation of Ruby on the JVM

Factor programming language

A mini view framework for console/irb that's easy to use, even while under its influence. Console goodies include a no-wrap table, auto-pager, tree and menu.

Tutorial + Cookbook

Classy web-development dressed in a DSL (official / canonical repo)

A modular Ruby web server interface.