PyDy relies on the symbolic capabilities of Sympy to provide a set of tools useful for kinematic and dynamic analysis of mechanical systems.  The overarching goal is to have a single environment for performing analytical dynamics, numerical calculations, and visualization, all within a Python environment.

Pydy home page, mailing list, blog, source code repository:

• http://www.pydy.org/
  
• pydy@googlegroups.com
• http://dlpeterson.com/blog
• http://github.com/hazelnusse/pydy
• http://code.google.com/p/pydy/