This is a list of FREE software in the PCWorld download section (but if I couldn't find it on here, I got it from another site). The only difference its a quick "cheat-sheet" type of thing

Anti-Virus Software:

AVG

Avast!

Avira Anti-Virus

Online Anti-Virus Software:Avira Anti-Virus

Kaspersky Virus Scan

Panda ActiveScan

Anti-Spyware Software:

A-Squared FREE

Ad-Aware 2007

AVG Anti-Spyware

Spybot Search and Destroy

Spyware Terminator

Temporary File Cleaner:

Ccleaner

Advanced Disk Cleaner

Firewalls:

Comodo Firewall Pro

Jetico

Zone Alarm (for Vista)

Zone Alarm (for XP and before)

Internet Stuff:

Download Accelator Plus

Firefox

Opera

Thunderbird

CD Burning Software:

Infra Recorder

Misc. Software:

7-Zip (like winzip)

WinRAR(like winzip, but only a trial)

Audacity (opensource audio editing software)

Crossloop (a remote control software program)

GIMP (free version of photoshop)

Google Earth (we all know this one, "I can see my house from here")

Google Sketchup 6

Paint.net

Picasa

System Utilities:

Belarc Advisor (tells you everything about your system)

CPU-Z(tells you your system specs)

Keyfinder (tells you your keys for your software)

VistaBootPRO (good program for dual booting XP and Vista)

Readers:

CutePDF Writer (an acrobat reader without the bloat)

Foxit Reader (an acrobat reader without the bloat)

Notepad++ (a html editor)

Nvu (opensource dreamweaver)

Openoffice.org (Office for FREE!)

Virtualization:

Xvm (sunmicrosystem's version of vmware player)