Fun Little Programs

Hey guys i am wondering what you guys have for programs that are cool or allow you to tweak stuff.

Only list what you have used exstensively and please provide a link to download if free and manufacturers link

Here is my list the stuff:

Anti-Spyware
Ad-Aware SE Personal
Spy Bot S&D <--- Espeacially like Tea Timer that comes with it
Google Tool Bar <---- Good for Internet Explorer but not needed Firefox

Firewall
Zone Alarm

Benchmarks
3D Mark
Everest Home Edition <--- dicontinued to download click here, also provides incredible driver identification

Instant Messengers
Trillian <--- Great for just IM but irc and file transfer not so hot.

Browsers
Firefox
Additional tweak increases speed by 15. PM for more info

Mail Applications
Gmail Notifier <---- mail Alert System for gmail accounts

Desktop Programs
Style Xp <---- unfortunately only a trial
Z Matrix <---Matrixfy your Desktop

Tweaking Programs
ATI Tool <--- Supports some Nvidia Cards

Ripping/Burning
Alcohol 120% <---- includes emulation ability
DVD Shrink <--- dicontinued also download from here.

Zipping Programs
WinRar <----- download from here.

A couple good links

Applications
http://www.filehippo.com/ <---- Introduced to me by Rocksteady
http://www.oldversion.com/ <---- Introduced to me by Rocksteady

Information
http://www.tweaksrus.com/ <---- Introduced to me by Rocksteady also
http://www.techpowerup.com/
http://en.wikipedia.org/wiki/Main_Page <--- Ultimate Encyclopedia

Computer Parts
http://www.newegg.com/
http://www.zipzoomfly.com/jsp/Home.jsp
http://www.mwave.com/mwave/index.hmx?

Ill add more stuff later but its time for me to leave work now.