Utilities

Siw System Inventory
Bulk Rename Utility
CCleaner File Registry Cleaner
CDBurnerxp
Defraggler File Defragger
Dimension4 Clock Syncronizer
MS Diskview
Erunt Registry Backup Compactor
Regseeker Registry Cleaner
Hexedit Hexidecimel Editor
Isobuster CD Recovery
Raxco Disk Defragger Payware
MS Process Monitor
Sun Virtual Box
Recuva File Recovery
Macecraft Registry Cleaner Payware
TCP Optimizer
Terabyte System Backup
Low Level Formater----------This one will format USB/Flash drives.
Hard Disk Utilities
Zsoft Software Uninstaller

Educational

Stellarium Planetarium

Image

Colorcop Color Picker
Easy Thumbnails Generator
Faststone Image Tools
Gimp Graphic Editor
Inkscape Vector Editor

Internet

Sunbird Planner
Filezilla FTP Client
Firebug Firefox Addon
Firefox Browser
Free Download Manager
Httrack Offline Web Browser
Thunderbird Email Client
Xenu Link Verifier

Network

Netstumbler
Nmap
Snort
Wireshark

Planning

Gantt Project
Sunbird
Open Workbench----------A MS Project Equivalent
Google Sketchup----------3D Cadd
Freemind Mind Mapping----An electric, turbo charged dry eraser board

Security

Comodo Firewall
Dscrypt Encryption
Secure Erasure
Hijack This
A Squared Anti Malware
Keepass Password Safe
Sandboxie Virtual Layer

Text

Adobe Reader
Open Office Desktop Suit

Website Design

Notetab Text Editor
Kompozer Wsiwyg Html Editor
Css Play
W3 Schools and Reference
Tidy
Web Design From Scratch