An open source re-implementation of Chris Sawyer's Locomotion
An implementation of a quantum simulator that you can run locally
A Control Systems Toolbox for Julia
An advanced network simulator to design and configure virtual networks
General Mission Analysis Tool
A cross-platform statistical package for econometric analysis
System dynamics program with additional features for economics
Data Analysis, Simulations and Visualization on the Sphere
Simulation for spacecraft attitude control system analysis and design
FlightGear Flight Simulator: free open-source multiplatform flight sim
SUMO is a microscopic, multi-modal traffic simulation.
A library for scientific data visualization
EPRI Distribution System Simulator
Program for the analysis of spectroscopic data, in particular EPR(ESR)
Industry standard communication with compliant image generators.
Data manipulation and plotting program with scripting
A simple tool for the visualisation of coarse-grained systems
Population Propogation in Python. Simulate births, marriages, deaths
Graphical User Interface for Gromacs
A simulation program for the HPA axis.
Double slit experiment visualization tool loving multicore processors
Earth orbits and satellite coverage display in 3D on your laptop.