MARIE is a development and integration environment built over a communication layer. Its main goal is to integrate other robotics software such as Player/Stage, CARMEN, and RobotFlow. MARIE is Free Software licensed under the GNU GPL.
http://marie.sourceforge.net/
A rigid body dynamic simulation package ideally suited for simulating legged robots (bipeds, quadrupeds, hexapods), robot arms, Stewart Platforms, and other mechanisms.
http://yobotics.com/simulation/simulation.htm
Windows and DOS-based software is provided to control homebrew, stepper-based, 4-axis CNC hardware that cuts parts for sailplane models.
http://www.geocities.com/bickius3000/
A 2D simulator for the Khepera mobile robot. Includes C source code. For non-commercial use only.
http://diwww.epfl.ch/lami/team/michel/khep-sim/index.html
NeuroCheck is a framework for configuring and operating industrial visual quality control systems. Its graphical tools enable the user to develop solutions within a familiar Windows - based environment to achieve rapid system integration into production line processes.
http://www.neurocheck.com
The Reactive Action Packages (RAP) system provides a plan and task representation structured to make a task's expected behavior evident. Written in Common Lisp. Copyright allows educational use only.
http://people.cs.uchicago.edu/~firby/raps/
A Matlab/Simulink block library useful for rapid development of nonlinear 6-DOF Unmanned Air Vehicle (UAV) dynamic models. Proprietary, commercial software. May be used without charge by some non-commercial users.
http://www.u-dynamics.com/aerosim/
A robot offline programming and simulation environment for industrial robots. Proprietary, commercial software for MS Windows. Site in Danish and English.
http://www.camelot.dk/