Here are some cool freebies I like to use..

Avast anitvirus 
http://www.avast.com/eng/avast_4_home.html


Spybot - Search &amp; Destroy 1.4 - Make sure to update after install
http://www.safer-networking.org/en/spybotsd/index.html


FTP - FileZilla
http://filezilla.sourceforge.net/


EVEREST Home Edition - system diagnostics, system information and benchmarking solution for home PC users
http://www.softpedia.com/get/System/System-Info/Everest-Home-Edition.shtml


msconfig cleanup - remove any item that has been previously disabled via MSConfig
http://www.softpedia.com/get/System/Launchers-Shutdown-Tools/MSConfig-Cleanup.shtml