Hosting git repositories -- Gitolite allows you to setup git hosting on a central server, with very fine-grained access control and many (many!) more powerful features.

rc file (dotfile) management

Email::Outlook::Message Perl module for reading Outlook .msg files

Password guessers for popular vulnerability scanners and frameworks: Find the password for your favourite vulnscanners: OpenVAS, Nessus, NeXpose or Metasploit