Rex
An re-packaging of the Rex library included in the Metasploit Framework for use by non-Metasploit applications. Originally created by Jacob Hammack and made official by the Rapid7 development team. The upstream of this package is the rex subdirectory of https://github.com/rapid7/metasploit-framework
Currently based on Metasploit master branch 2014-07-15
$ gem install librex
Credits
The Metasploit Community Jacob Hammack https://github.com/hammackj Rapid7 http://www.rapid7.com/