AppScale is a cloud platform that automatically configures and deploys applications over cloud infrastructures (Amazon EC2, Microsoft Azure), as well as cloud platforms (Google App Engine). It runs Google App Engine applications as well as arbitrary programs via the Neptune domain specific language.

Include assets in your views with a single line of code.

A rails authentication and authorization engine that reduces clutter in your controllers and views. Includes aliased link_to and button_to helpers that return an empty string if the current user is not permitted to follow the link. Authorization configuration is removed from the controllers and instead is stored in the database and configured through html views.

plugin that provide subcommand useful in CI environments

Exporting an autoproj build to a jenkins server

This gem implements the functionality to take a signature of the current Ruby program (i.e. the current process) and respawn it whenever the source code or libraries change

A Ruby gem for browser based orders of approved medical drugs in Switzerland

Easily construct MT and MetaWeblog XML-RPC backends

bocuse teaches chef-solo a few tricks. A strict front-end to chef-solo, it reads a configuration syntax that is under source control and generates JSON for chef-solo. This library puts the full power of Ruby at your fingertips when composing configuration for your nodes using templates and helpers. It is the missing link between puppet and chef.

Helps parsing IO char by char

Really simple IPC. Pipes, TCP sockets, beanstalkd, ...

Library for servers backing iPhone applications.

Ruby API for VirtualBox (Sun's OSS virtualization software).

Lightweight, performant OOP wrapper for Cassandra tables; inspired by DataMapper.

The smooth document management experience, usable as a Rails gem plugin or standalone in any ruby application

An Eloqua API Wrapper for Ruby

Eventd provides a clear and comprehensive structure to add evented functionality to any object. Eventd also implements an event-based Web Socket server, which is a wrapper around em-websockets.

RAM-based cache for FeedTools.

Wrapper around FSSM for ease of use"

Some lame monkeypatches to make a small subset of FlexMock functionality work with MiniTest::Unit and MiniTest::Spec.