PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
An advanced network simulator to design and configure virtual networks
Physically accurate and validated GPU ray-tracer
DNP3 Outstation and client simulator, Source code Library, win, Linux
IEC 60870-5-101 Source code Library Stack - Windows c, c++, c# .net
DNP3 Source code Library for Windows and simulator
IEC 104 RTU Server Client Simulator Source Code Library Win Linux
IEC 104 Source code Library for Linux c c++ posix arm
IEC 101 Server and Client Simulator Source code Library, Win, Linux
DNP3 Protocol Source code Library Outstation and client Win Linux
IEC 101 Embedded Linux ARM, POSIX x86 x86-64 - c, c++ programming
Plug&Play Hardware simulation over a virtual bus system.
Multiagent simulator of road traffic in Qt/C++ and OpenStreetMap.
Linux for Arduino and Makers developers
NeuralSyns is a neural simulator for large spiking networks.
A framework for implementing real-time control systems
GHDL - a VHDL simulator