PyC3D is a cross platform python library which is capable of reading .C3D files for Motion Capture with data classes for inspecting the data.
The library is able to read all the sample files on www.c3d.org but I’m always interesting in expanding the compatibility so if you encounter a file which the library is unable to read, please sent it to info@GeoffSamuel.com so I can extend the library.
Its completely open source, and can be found at: