September 9, 2005
Here are a few them listed here (go there to see more details):
- MSN Search (though paidcontent instead mentions their new search, start.com)
- MSN Virtual Earth (see above)
- MSN Messenger Activity API to connect with other messenger users
- MapPoint Web Service 4.0 which is currently only available commercially
Also see Can Microsoft Out-Google Google?
UPDATE: MSN responds