In no particular order, and void of any meaningful categorization.... Sandboxie Malwarebytes Anti-Malware Premium Google Chrome ESET NOD32 Comodo Firewall KeePass MailWasherPro Bleachbit Eraser FastStone Capture CCleaner SpywareBlaster HitmanPro
I think I may add HMPA (not HMP) to my list in the future, but it's not ready for prime time yet IMO. BTW, this one is also cool: http://www.ducklink.com/p/free-screen-capture-tool/