Windows
Great collection of freeware and shareware utilities for
the Geek.
http:/basichardware.50megs.com/download.html
Internet
Research Toolbar (Free Trial) ($40)
IE/Windows Toolbar
http://www.internet-research-toolbar.com/
SmartFTP (Free)
3COM Transcend Network Supervisor (Free)
Freebase - Manage Apple Airport with PC (Free)
AdAware - Lavasoft (Free)
http://www.lavasoftusa.com/software/adaware/
Macintosh
Carbon
Copy Cloner (free)
Create a NetBoot
image from a fully customized Mac OS X installation
http://www.bombich.com/software/ccc.html
DiskWarrior
by Alsoft ($69)
the highest decorated disk repair utility http://www.alsoft.com/DiskWarrior/
TechTool
Lite by Micromat (free)
Award winning utility to rebuild desktops, analyze system components, zap
PRAM
http://www.micromat.com/