Model-rocketry aerodynamics and trajectory simulation software
A minimalistic digital logic simulator
PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
Component, CA, and CCA models; superdense time, ETL DB, testing, etc.
The Open Source CFD Toolbox
Individual-based forward-time genetics simulation software
Marine Engine Room Simulator for STCW
Graphical User Interface for Gromacs
An adaptive state model development framework.
IDE for modeling and simulating discrete systems
A free, open-source electronics calculator suite for Linux
A simulator for drones, cars and more, built on Unreal Engine
Growth-grammar related Interactive Modelling Platform
mujoco-py allows using MuJoCo from Python 3
OpenNum lets you distribute solvers with a nice graphical interface
Real-time interactive 3D graphics API for scientific simulations
Utility to show live progress, status & stats for running simulations
AVR simulator IDE
Simulate an epidemic like the Corona Pandemic and look at statistics
Radial-velocity & transits analysis tool for exoplanets