An application wiki is designed to encourage ordinary users to develop a literacy in building real applications. In the same way that Wikipedia allows users to collaborate on text, the hope is that an application wiki would let users collaborate on not just words but real behavior. ...

EngineY is a social networking framework and content management platform written in Ruby on Rails.

Addressable is a replacement for the URI implementation that is part of Ruby's standard library. It more closely conforms to RFC 3986, RFC 3987, and RFC 6570 (level 4), additionally providing support for IRIs and URI templates.

RCapture allows placing hooks on methods using a convenient interface. RCapture allows pre and post invocation capturing as well as modifying input and return arguments. RCapture can thus be used as a building block in aspect oriented programming.

Runs command and returns its standard output in single call. Both synchronous and asynchronous (with eventmachine) running is supported.

Functions for server-side validation of CSS colors, in PHP, Python, Ruby, C#, and Java. In the public domain.

Webvo is a web-based PVR system. It provides easy recording of television shows without the hassle of VCRs. Utilizing a web browser interface, Webvo allows the user to connect to a recording server and manage the scheduling and recording of television programs from any computer connected to the network. ...

Rails Engine for MDA pattern Resource Event Agent,

A Gem for interacting with HackerNews,

datamapper support for localization of content in multilanguage applications,