J. Andrzej Wrotniak
Kalkulator is the most complete math calculator for most math/science needs.
Flatland Online, Inc.
With Flatland Rover you can include multiple video streams.
Control up to 32 PCs (Pocket PCs) with a single computer's keyboard and mouse.
Brain Block Interactive
This is a 3D simulation of the Mars surface exploration done by Spirit robot.
University of Plymouth
The Mars Rover Simulator project is based on the evolutionary robotics paradigm.