A circuit simulator with graphical user interface (GUI)
PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
Plug&Play Hardware simulation over a virtual bus system.
Integrated Development Environment (IDE) for learning HDL
RSSceSim - Reputation System Scenario Simulator
Lucid chamber simulator
Allows you to build your own circuits and test them
Live DVD with CORE network simulator
A framework for implementing real-time control systems
Highly realistic and immersive model for Flightgear.
An open source process simulator
The Future of the Java Circuit Simulator
A free automata simulator that simulates DFA/NFA/DPDA/NPDA/STM
Virtual paper folding program
Simulate high power rocket flights with splash down plots
Supports NxT, Asuro, Arduino-Bot and many more. With simulator.
Ein Simulator für Registermaschinen
Ein Simulator für Turingmaschinen
A full simulator of the WRAMP CPU and REX board.