Ninite - Ninite is the easiest way to install software.
Patch My PC - Patch My PC Updater is a free, easy-to-use program that keeps over 300 apps up-to-date on your computer.
SurfPatrol - SurfPatrol is a free and simple online service for browser and plugins security checking.
Sumo - Free tools to grow your email list.
w3af - w3af is a Web Application Attack and Audit Framework
Zero Install - Zero Install is a decentralised cross-distribution software installation system.