This website will be undergoing maintenance on Wednesday July 18 from 2pm to 5pm PDT. We are also in the process of updating this documentation for OpenSim 4.0. Are you looking for OpenSim 3.3 documentation?

OpenSim is a software platform for modeling humans, animals, robots, and the environment, and simulating their interaction and movement. OpenSim has a graphical user interface (GUI) for visualizing models and generating and analyzing simulations. The open source and extensible software also includes an application programming interface (API) that developers can use to extend the software.

In the pages that follow, you will find information about: