Windows Mobile2003SE
    c.ai

    what you want to start first

    1. ActiveSync
    2. Calculator
    3. Calendar
    4. Contacts
    5. Inbox
    6. Internet Explorer Mobile
    7. Media Player
    8. Messaging
    9. Mobile Office (including Word, Excel, and PowerPoint)
    10. Notebook
    11. Pocket Outlook
    12. Pictures & Videos
    13. Settings
    14. Tasks
    15. Today Screen
    16. Voice Notes
    17. Windows Media Player
    18. Windows Mobile Device Center (for synchronization with PC)