Windows® Software..

LoopDropZ
A drag and drop seamless background audio looper for Windows..

checksum (and simple checksum)
Point-and-click recursive SHA1 and MD5 drive hashing..

CorzSpaZio
A disk space monitor that works..

Batch Runner
Run multiple programs in a batch..

ffe  (ffmpeg front-end)
Handy for those YouTube (FLV) videos, and MUCH more..

color pickin chooser
Possibly the coolest color picker on planet Earth..

corz clock
A funky analog clock, with alarms, chimes, speech, and more..

KDE Mover-Sizer
Move and resize Windows windows like Linux windows! ..

Clipboard-As-Name PowerToy for Vista
Do you miss that oh-so-handy Windows PowerToy? Try this..

Other stuff..

Automatic Router Scripting Engine (aka. ARSE)
Probably only useful if you have a Viking router; in which case, you might want to check out the voyager pages