10 Programs (Score 0)

Windows XP (not counting service packs):
1. Norton AntiVirus
2. ActiveState Perl
3. WinRAR
4. Download Accelerator
5. Winamp
6. Outlook 2003
7. Photoshop
8. MySQL-Front
9. GVim
10. Xchat

Linux
1. Xchat
2. Evolution
3. SETI@Home
4. Mozilla
5. XMMS
6. Perl
7. Flash
8. vim
9. Gimp
10. mysql-client