FlexPDE FlexPDE: A general, script driven solution system for Partial differential equations, including equation interpretation, mesh generation, numerical solution and graphical output. (Software) http://www.pdesolutions.com
XMDS: eXtensible Multi-Dimensional Simulator XMDS: eXtensible Multi-Dimensional Simulator: A code generator that integrates equations translating from XML to C++. Unix/Windows. Free to download under GPL. (Software) http://www.xmds.org/
LdeApprox LdeApprox: Maple and Mathematica packages providing approximation methods for solutions of linear differential equations, initial and boundary value problems. Download trial version, on-line purchase. (Software) http://www.graphtree.com/LdeApprox.htm
Phaser Scientific Software Phaser Scientific Software: A Universal Simulator For Dynamical Systems (Software) http://www.phaser.com
Dr. Hanley's Science Graphs Dr. Hanley's Science Graphs: Enter first and second order non-linear ordinary differential in analytical form. The program will generate a numerical solution to the equations and graph multiple curves on a single graph. Can also be used for algebra and calculus formulas. Includes (Software) http://www.hanleyinnovations.com/sgstandard.html
Diffpack Online Diffpack Online: An object oriented development framework for the solution of partial differential equations. Free demo CD. Online ordering. (Software) http://www.nobjects.com/diffpack/