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
Smoothed Particle Hydrodynamics Simulator
Marine Engine Room Simulator for STCW
Graphical User Interface for Gromacs
slab3d is a real-time virtual acoustic environment.
A simulator for drones, cars and more, built on Unreal Engine
Growth-grammar related Interactive Modelling Platform
OpenNum lets you distribute solvers with a nice graphical interface
Real-time interactive 3D graphics API for scientific simulations
AVR simulator IDE
The software for systems biology/pharmacology modeling
Simulate an epidemic like the Corona Pandemic and look at statistics
Radial-velocity & transits analysis tool for exoplanets
A framework for simulating open quantum dynamics
Advanced 2D simulator for evolving harmonical waves.
vinylsimtool: simulation of vinyl record playback