CReST: The Cloud Research Simulation Toolkit
Weighted Implementation of Suboptimal Paths (WISP)
A Turing Machine Simulator
MIT's spacecraft simulator for control algorithm development
A Library for Interactive Modelling and Visualisation
Common accessible environment for system dynamics simulation.
A simple hydrodynamic code less than 700 lines long!
A system for agent-based modelling in political psychology
VOpR - a virtual optical rail
Plugin orientated Discrete Dipole Approximation (DDA) Solver
TEBD simulates the dynamics of entangled quantum many-body systems.
Calculates dynamics of osmosis-based pressure generation using PEG.
Computer science experiment manager
OpenEstragon is a market economy simulator.
collection of illustrative programs:small games, simulators: C, Matlab