WCalLive is the complete solution for synchronizing your Windows Mobile 5.0/6.0 based device with Google Calendar. Application data is synchronized in both directions, WCalLive can synchronize the following device application data

• Calendar
  Select and synchronize multiple Google Calendars.
  Select the sync window for the amount of data you want to keep up to date.
  You control the amount of data that stays on your handheld device.
  Sync your private data.
  Synchronizes device repeating calendar items to and from Google Calendar including exceptions.
  Alarms/Reminder synchronization.
  Synchronize an attendee list.
  

System Requirements
Any Windows Mobile 5.0/6.0 device.
Microsoft Windows® 9.x, ME, NT 4, NT 2000, 2003, XP, Vista.
Microsoft ActiveSync version 4.1 and above.
Access to Google Calendar web server.
Cradle or Wireless Sync.