Robbit is a open-source software which provide 3D simulation environment for multiple robot system. Current version of Robbit is 4.0.0 (for both windows and linux). At the moment, Robbit supports modules for mobile robots only. However, in the future the scope should expand and, of course, contributions are most welcome.
Robbit has been developed thinking in researchers, students, roboticists and hobbyists who want to design, test and simulate mobile robots and research topics like autonomous navigation techniques, obstacle avoidance, artificial intelligence etc.
Robbit is open source and is distributed under the GNU General Public License, published by the Free Software Foundation (version 3 of the License, or any later version).