Downloading GaitSym 3.0.0 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. This free Mac application is a product of Bill Sellers. The application belongs to Design & Photo Tools.
From the developer:
GaitSym is a forward dynamic modelling program for Mac. It uses the Open Dynamics Engine physics library to do most of the hard work and provides a file format and display system so the user does not have to do any programming. It also provides various muscle models so that the forces can be generated directly from muscle activation levels and a number of hooks to allow it to be used with global optimisation tools such as genetic algorithms.
You may want to check out more software for Mac, such as 3D Invigorator PS, Microspot Interiors Pro or Opera SVG Viewer, which might be similar to GaitSym.