Dynamica (Mathematica based Package for Simulation and Symbolic Manipulation of Difference Equations and Discrete Dynamical Systems)
Dynamics (MS-DOS Package for Simulation of Continuous and Discrete Dynamical Systems)
Maple (General Purpose Computer Algebra System)
Mathematica (General Purpose Computer Algebra System)
Matlab (General Purpose Package for Numerical Computations with limited Computer Algebra capabilities)
Phaser (JAVA based package for Simulation of Continuous and Discrete Dynamical Systems)