PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
Plug&Play Hardware simulation over a virtual bus system.
An advanced network simulator to design and configure virtual networks
NeuralSyns is a neural simulator for large spiking networks.
A framework for implementing real-time control systems
An accurate, scalable, and energy-aware simulator for WSNs
MIT's spacecraft simulator for control algorithm development
3D vehicle simulator based on Lagrangian dynamics to simulate dynamics