An open source re-implementation of Chris Sawyer's Locomotion
A Control Systems Toolbox for Julia
An implementation of a quantum simulator that you can run locally
An advanced network simulator to design and configure virtual networks
A cross-platform statistical package for econometric analysis
General Mission Analysis Tool
Data Analysis, Simulations and Visualization on the Sphere
System dynamics program with additional features for economics
FlightGear Flight Simulator: free open-source multiplatform flight sim
Simulation for spacecraft attitude control system analysis and design
SUMO is a microscopic, multi-modal traffic simulation.
Industry standard communication with compliant image generators.
A library for scientific data visualization
Earth orbits and satellite coverage display in 3D on your laptop.
Population Propogation in Python. Simulate births, marriages, deaths
Data Compression Simulator for E-Learning:
Object-oriented equation-based modelling and optimisation software
Frevo is probably the simplest tool for evolutionary design
Modular System for Shelves and Coasts
Component, CA, and CCA models; superdense time, DB repo, testing, etc.
A simulation program for the HPA axis.
Plug&Play Hardware simulation over a virtual bus system.