Added storeBackup.
Added Cloud Foundry.
Added Netdot.
Added Mailman.
Added Project Voldemort.
Added Memcached.
Added Open Source Tripwire.
Added AIDE.
Added Samhain.
Added Snort.
Added Metasploit.
Added OpenVAS.
Added Nmap.
Added Wireshark.

It should probably be on a specific Network Troubleshooting category.
Moved nmap and wireshark to a new category.
Added tcpdump.
Added new IRC section.