G-Profile is an appointment-based profile switcher in early stages.

Features:

0.4.1 (2009/02/10)
[FIXED] a small bug

0.4 (2009/02/10)
[ADDED] New profile type: cell-id based (gets activated when you are in the range of a specified cell tower)
[ADDED] New profile type: program based (gets activated when a program is launched / in the foreground)
[ADDED] Option: profile can override profiles with a higher priority
[FIXED] Fixed a lot of bugs (also some severe bugs)

http://forum.xda-developers.com/showthread.php?t=477919