Effing package management! Build packages for multiple platforms (deb, rpm, etc) with great ease and sanity.

Server automation framework and application

an application that automates the lifecycle of servers

JSON Schema tools and doc generation for HTTP APIs

A transparent service discovery framework for connecting an SOA

Support for source control repositories

File concatenation system for Puppet

Hiera backend plugin for Consul

Puppet change impact console

rsync module

Work in Progress on a port of the TextMate bundle to Aptana Studio 3

[Workflow] Deployment Pipeline - An opinionated continuous delivery workflow for Agile Teams

Puppet integration with RunDeck

A hiera backend for use with the etcd distributed configuration store

Packages of Opscode Software for various platforms

A Ruby parser and generator for Nagios