The Open Web SSO project provides core identity services to simplify the implementation of transparent single sign-on as a security component in a network infrastructure. It provides the foundation for integrating diverse web applications that might typically operate against a disparate set of identity repositories and are hosted on a variety of platforms such as web and application servers....

Portupgrade (aka pkgtools) is a tool set for working with FreeBSD ports and packages. It enhances abilities of the system tools and adds many new ones.

An O/R Mapper for Ruby based on the DataMapper pattern.,

Open source flash charts and graphs.

Line, area, bar and pie charts.,

Cherokee is a very fast, flexible and easy to configure Web Server. It supports the widespread technologies nowadays: FastCGI, SCGI, PHP, CGI, uWSGI, SSI, TLS and SSL encrypted connections, Virtual hosts, Authentication, on the fly encoding, Load Balancing, Apache compatible log files, Data Base Balancing, Reverse HTTP Proxy, Traffic Shaper, Video Streaming, Content Cache and much more....

The Metasploit Framework is a development platform for creating security tools and exploits. The framework is used by network security professionals to perform penetration tests, system administrators to verify patch installations, product vendors to perform regression testing, and security researchers world-wide. The framework is written in the Ruby programming language and includes components written in C and assembler....

A simple Google Calendar Data API Library.,

Chef is a systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.

A Ruby interface for the SQLite database engine.,

Homebrew: the missing package manager for OS X
Homebrew installs the stuff you need that Apple didn’t.