Model-rocketry aerodynamics and trajectory simulation software
The Open Source CFD Toolbox
Component, CA, and CCA models; superdense time, DB repo, testing, etc.
An EnergyPlus shell for parametric studies and more ...
Population Propogation in Python. Simulate births, marriages, deaths
Growth-grammar related Interactive Modelling Platform
mujoco-py allows using MuJoCo from Python 3
A wireless push-type network simulator.
AVR simulator IDE
Advanced 2D simulator for evolving harmonical waves.
Toolkit for agent-based & dynamic microsimulation modelling
Advanced Simulation & Visualization of 2D dynamical systems
Allows you to build your own circuits and test them
Penthode simulates, draw and plot electrical power distributions
Acoustic Simulation Library for Frequency and Time Domain Simulations.
Free Hydraulic Model for Water Systems
An Agent-Based Simulation of Invasive Pest Insects
Growing suite of proteomics simulations for educational purposes
(RoboSim) Java based Robot Localization and Path Planner Simulator.