urllib3 is a user-friendly HTTP client library for Python

Coding Katas to practice the theory of programming.

A property/rent system

Ruby on Rails

Executable specification for the Ruby programming language.

Rubinius, the Ruby Environment

A set of Koans to teach the Ruby language

Risk ranking and prioritisation

KidsRuby is a Ruby programming environment meant for kids to learn and have fun!

Sample application to show fast rails tests

A task check list application that allows you to organize your activities quickly.

A (deprecated) framework for building exercises to work with Khan Academy.

KidsRuby is a Ruby programming environment meant for kids to learn and have fun!

Time sheet application to track working hours

A runtime developer console and IRB alternative with powerful introspection capabilities.

A privacy-aware, distributed, open source social network.

Ruby on Rails Tutorial sample application

Vim distribution

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

A Ruby on Rails blogging app for the fashionable developer. It's better than Mephisto or SimpleLog

Ruby on Rails

The Rubinius Language Platform