AVG Free Anti-virus - AVG Anti-virus is a great free alternative for home users. Their free scanner for non-commercial use is outstanding!!! Check it out.

Windows Defender - Microsoft has a free tool for fighting spyware/adware. If you have Windows 2000/XP. Download it and give it a try.

Weather Watcher - This is one of the best weather programs available on the Internet. No Spyware installed and 100% Free! Shows the current temperature in the system tray and you can get detailed forecasts too with lots of different maps. Check it out!

Avvenu - This is an awesome way to access the computers at your office at home! Free!

Windows Update! - Don't forget to run Windows Update periodically. Microsoft releases updates frequently that make your version of Windows better and more secure.

Shareaza - If you want to share files on the Internet, you should use something like Shareaza. It has no spyware,adware or bundled software of any kind.