Essential Programs

Programming:

Tortoise SVN
Nunit
Reflector
Test Driven

Archive Management:

7zip
Daemon Tools

Web Browsers:

Firefox
Explorer

Gaming:

Steam
Hamachi
Hlsw
Teamspeak

Antivirus:

Spybot
Avast

Desktop Management:
Launchy

Password Management:

Keepass

Packages:

Google Pack
Windows Live

File System:

Unlocker

Video:

Vlc Player
Xvid

Word processor:

Notepad++
Adobe Reader

Download:

uTorrent
Orbit

Other:
Silverlight
Flash
Java