The Metasploit Framework is an advanced open-source platform for developing, testing, and using exploit code. The Framework will run on any modern system that has a working Perl interpreter, the Windows installer includes a slimmed-down version of the Cygwin environment.
You can download it from the following link: https://packetstormsecurity.com/files/download/40833/framework-2.5-snapshot.tar.gz
Source: https://packetstormsecurity.com/files/40833/framework-2.5-snapshot.tar.gz.html