1. Internet Browsing
   1. Firefox
      1. Xmarks
      2. StumbleUpon
   2. Internet Explorer
      1. Xmarks
2. Email
   1. Thunderbird
   2. Outlook
      1. Xobni
      2. Google Calendar Sync
3. Calendars
   1. Sunbird
4. Finance
   1. Microsoft Money
5. Video Editing
6. Source Control
   1. Perforce
7. Photo Management
   1. Digikam
   2. Adobe Photoshop
   3. GIMP
8. Mind Mapping
   1. MindJet MindManager
   2. XMind
9. Project Planning
   1. Microsoft Project
10. Programming
    1. IDEs
       1. Microsoft Visual Studio
          1. RockScroll
          2. Visual Assist
       2. Eclipse
    2. UML Editing
       1. Visual Paradigm
11. File Browsing
    1. FreeCommander
    2. Unlocker
12. CD/DVD Burning
    1. K3B
    2. Ahead Nero
13. Music
    1. Amarok
14. Hex Editing
    1. HHD Neo
15. Text Editing
    1. Notepad++
    2. ClipStrip
    3. Beyond Compare
16. System Tools
    1. IOBit SmartDefrag
    2. Windows ClearType Tuning PowerToy
17. Instant Messaging
    1. aMSN
18. FTP Clients
19. Bittorrent Clients