Active Desktop Calendar is fully customizable calendar features notes, tasks, alarms, and displays its data on your desktop through blending with existing wallpaper. You can organize your data in layers and share them with other people on a local area network. The program can integrate with Outlook and show its appointments and tasks on the desktop. If you synchronize your PDA device (Pocket PC, Palm, smartphone) with Outlook then through this connection you also get a synchronization with PDA as a side effect.