simulator

FlightGear is an open-source flight simulator.

The Eurorack Simulator

A license-free, open source, free of charge train driving simulator.

Digital logic design tool and simulator

Pioneer is a space adventure game set in our galaxy at the turn of the 33rd century.

Qucs-S is a circuit simulation program with Qt-based GUI

Modbus Slave is for simulating up to 100 slave devices in 100 windows!.

Modbus Poll is a Modbus master simulator

EduMIPS64 is a GPL MIPS64 Instruction Set Architecture (ISA) simulator and graphical debugger.

DynamoRIO is a runtime code manipulation system that supports code transformations on any part of a program, while it executes.

Educational MIPS simulator

Desktop Emulator for Roku 2D API

VHDL 2019/2008/93/87 simulator