A distributed flight sim and front end for JSBSim
Interactive geometry software for Euclidean and non-Euclidean spaces
Advanced mission simulation and analysis tool
A High-level Utility Package for FMI-based Software Development
HP-41cx Emulator
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
Utility to show live progress, status & stats for running simulations
AVR simulator IDE
Portable OS X FOSS applications
PySCeS Constraint Based Modelling
Parallel coupled multiphysics simulation application
RSSceSim - Reputation System Scenario Simulator
Epidemic simulator
Parallel simulators for Membrane Computing on the GPU
a Toolset for Molecular Mechanical Force Field Parameterization