PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
Utility to show live progress, status & stats for running simulations
Real-time interactive 3D graphics API for scientific simulations
Flexible and eXpandable Cpu simulation
A framework for implementing real-time control systems
Command Centre
A Library for Interactive Modelling and Visualisation
MIT's spacecraft simulator for control algorithm development