Visualization of wavefunctions calculated by VASP (New release: v0.41)
Draw and Simulate Finite States Machines (FSM)
OpenNum lets you distribute solvers with a nice graphical interface
NMR Product Operator Calculator
Real-time interactive 3D graphics API for scientific simulations
AVR simulator IDE
Portable OS X FOSS applications
Program to control vJoy / vXbox Device via keyboard, mouse, joystick.
PySCeS Constraint Based Modelling
X-ray diffraction (XRD) analysis for hkl simulation of any crystal.
Parallel coupled multiphysics simulation application
RSSceSim - Reputation System Scenario Simulator
Parallel simulators for Membrane Computing on the GPU
The FMI++ PowerFactory FMU Export Utility
Allows you to build your own circuits and test them
Numerical models for chemical and process engineering
Penthode simulates, draw and plot electrical power distributions