Visualization of wavefunctions calculated by VASP (New release: v0.41)
Draw and Simulate Finite States Machines (FSM)
Skyscrapersim Abandoned
Matlab/Scilab-FEMM based GUI to Assist the Design of Permanent Magnet
OpenNum lets you distribute solvers with a nice graphical interface
A wireless push-type network simulator.
NMR Product Operator Calculator
System safety, dependability and security analysis
Create Strain and Kinetic Energy Density maps from FEA
Real-time interactive 3D graphics API for scientific simulations
phase-field simulation and other examples with Python/FEniCS
AVR simulator IDE
Modbus slave simulator
Quadrotor control, path planning and trajectory optimization
A C++ Matrix Library
The software for systems biology/pharmacology modeling
Collection of MATLAB codes, simulations, and summaries
Portable OS X FOSS applications