A scaled-down interactive version of the program that NASA scientists use to operate Spirit and Opportunity. Updates are also available for Maestro that contain real data from Mars that you can add to your copy of Maestro. Maestro contains a simplified menu of commands that you can use to create your own driving and science activities, using all of the rover’s instruments to enact your own day of mission operations. You are in the driver’s seat...what will be next place we will explore on Mars?......(free)
http://mars.telascience.org/