Synchronizing Lotus Notes Calendar with Google Calendar
Solution 1:
Maybe this helps:
Have a look at http://lngooglecalsync.sourceforge.net . It's a project I have started for the exact purpose you are asking for. Automation will come next week with the next beta version.
Hope this helped.
regards Shin
Solution 2:
Intogoogle- The best there is!
The apps listed above either cost a lot, or have lots of issues..This one works like a breeze
http://sourceforge.net/projects/lntogoogle/
Solution 3:
Try AweSync beta: http://awesync.com It is capable of syncing most of the event types, you're welcome to participate in beta-testing.