Metasploit Framework

Vagrant is a tool for building and distributing development environments.

Ruby finite-state-machine-inspired API for modeling workflow

Brings Rails named routes to javascript

🔑 A Ruby wrapper for OAuth 1.0, and 1.0a protocols; clients & servers

OAuth implementation for Ruby. Note official maintained version is now at http://github.com/mojodna/oauth

A black box, Ruby powered, Joomla vulnerability scanner

A Ruby state machine library, like assm / acts_as_state_machine, but with a nicer, more sensible API (in my opinion).

OAuth for Ruby--canonical repository is at oauth/oauth-ruby

Library for performing calculations on musical elements