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PyDSTool & PyCont

This is a sophisticated & integrated simulation and analysis environment in Python for dynamical systems models of physical systems (ODEs, DAEs, maps, and hybrid systems). It supports symbolic math, optimization, continuation, data analysis, biological apps, and many others.

Links:
* Download: http://sourceforge.net/projects/pydstool/
* Wiki: http://www2.gsu.edu/~matrhc/ProjectOverview.html

Developers:
* Robert H. Clewley
* William Erik Sherwood
* John Guckenheimer
* M. Drew LaMar
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CSimplex

CSimplex is a plugin for Geomview that allows for the visualization of carrying simplices in n-dimensional competitive Lotka-Volterra systems. This software can compute the carrying simplex, numerical trajectories, and nullclines of the system.

Links:
* Download: Contact me
* 3-D Lotka-Volterra Systems
* Lotka-Volterra Equations Through Computer Visualization
* Stephen Baigent

Developers:
* Mary Lou Zeeman
* M. Drew LaMar