Ruby on Rails

The Ruby Programming Language

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

Chef Infra, a powerful automation platform that transforms infrastructure into code automating how infrastructure is configured, deployed and managed across any environment, at any scale

Cucumber for Ruby. It's amazing!

A tagging plugin for Rails applications that allows for custom tagging along dynamic contexts.

A modular Ruby web server interface.

Fast, Nimble PDF Writer for Ruby

A Really Ruby Mail Library

View components for Ruby and Rails.

An awesome replacement for acts_as_nested_set and better_nested_set.

Generic interface to multiple Ruby template engines

Ruby/Git is a Ruby library that can be used to create, read and manipulate Git repositories by wrapping system calls to the git binary.

Webrat - Ruby Acceptance Testing for Web applications

Re:VIEW is flexible document format/conversion system

A Ruby library for testing your library against different versions of dependencies.

Contributed Rack Middleware and Utilities

Fixtures aren't fun. Machinist is.

Save time and headaches, and create a more easily maintainable set of pages, with ActiveScaffold. ActiveScaffold handles all your CRUD (create, read, update, delete) user interface needs, leaving y…

Source of the https://www.ruby-lang.org website.

Yet another role-based authorization system for Rails

MessagePack implementation for Ruby / msgpack.org[Ruby]

Files we used to reverse-engineer Siri

parallel test runner for CI environments

A set of bindings for the GNOME libraries to use from Ruby.

NOTICE: official repository moved to https://github.com/Velir/open_id_authentication

Add custom processing for warnings

A Ruby Language Server implementation

A programmable presentation tool by Ruby.

Ruby version of Protovis, a visualization toolkit.