clipped from: www.carolsvault.com   
  1. 7-Zip - file compression - replacement for WinZip or WinRar
  2. Abiword - create word documents - Replacement for MS Word
  3. Audacity - sound editing and effects
  4. Blender 3D - 3D modeling and animation
  5. ClamWin - antivirus and antispyware scanner
  6. Eraser - erases your data securely
  7. FileZilla - ftp client
  8. Firefox - browser
  9. Gaim - instant messenger
  10. Ganttproject - scheduling , resource management, calendaring
  11. Gimp - - image manipulation - Replacement for Adobe Photoshop
  12. Media Portal - media center
  13. NVU - html editor
  14. OpenOffice.org - office suite - alternative if you can’t afford Microsoft Office
  15. PDFCreator - create pdf files
  16. RSSOwl - rss reader
  17. TaskSwitchXP - advanced task management utility
  18. Thunderbird - e-mail client
  19. VLC Media Player - media player
  20. WebHTTrack - web site copier