CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
Software for electromagnetic simulation
FEATool Multiphysics is an easy to use FEA and CFD Simulation Toolbox
Demonstrates a quadtree for spatial indexing of triangles
OpenNum lets you distribute solvers with a nice graphical interface
Design your own pottery for 3D printing in full color
Free 3D Mobile CAD
OpenFOAM UI based on web