VHDL 2008/93/87 simulator
The A32NX & A380X Project are community driven open source projects
Model-rocketry aerodynamics and trajectory simulation software
Open-source simulator for autonomous driving research.
An open source re-implementation of Chris Sawyer's Locomotion
A Modular Simulation Framework and Benchmark for Robot Learning
Massively parallel rigidbody physics simulation
A minimalistic digital logic simulator
A MATLAB toolbox for exporting publication quality figures
A beautiful, powerful, self-hosted rom manager and player
A Control Systems Toolbox for Julia
An implementation of a quantum simulator that you can run locally
NVIDIA Isaac Sim is an open-source application on NVIDIA Omniverse
An open-source, GPU-accelerated physics simulation engine
Particle-in-cell code for plasma simulation
An interior design application to draw house plans & arrange furniture
A cross-platform statistical package for econometric analysis
An advanced network simulator to design and configure virtual networks
The Open Source CFD Toolbox
FlightGear Flight Simulator: free open-source multiplatform flight sim
Simulate chemical processes using advanced thermodynamic models
XFLR5 is an analysis tool for airfoils, wings and planes
General Mission Analysis Tool
Data Analysis, Simulations and Visualization on the Sphere