Tracks is a GTD(TM) web application, built with Ruby on Rails

markup as ruby (official repository)

Grit gives you object oriented read/write access to Git repositories via Ruby.

Ruby gem that provides an AR-style interface for the Pivotal Tracker API

Tracks is a GTD™ web application, built with Ruby on Rails

A fast Gherkin parser in Ragel (The parser behind Cucumber)

Convert between any document format supported by LibreOffice/OpenOffice.

Universal Office Converter - Convert between any document format supported by LibreOffice/OpenOffice.

Generator framework for your own Ruby framework

A lightweight, Continuous Integration tool written in Ruby

Library for stubbing HTTP requests and setting expectations on HTTP requests in Ruby.

Asynchronous HTTP Client (EventMachine + Ruby)

Use ActiveRecord models without table

Rspec-2 expectations (should and matchers)

Rspec-2 doubles (mocks and stubs)

Rspec-2 runner and formatters

A scripting framework that replaces rake and sake

New Relic RPM Agent

a unified interface to key/value stores

PL/Ruby procedural language for the PostgreSQL database system by Guy Decoux

OAuth for Ruby

A Ruby-based parsing DSL based on parsing expression grammars.

A popular and flexible JavaScript DatePicker for RubyOnRails (and others)

OAuth for Ruby

Manage your Ruby application's gem dependencies

Library for stubbing and setting expectations on HTTP requests in Ruby.

An extension of Authlogic to add LDAP authentication.