SUMO is a microscopic, multi-modal traffic simulation.
A planetarium software that shows a 3D simulation of the night sky
FlightGear Flight Simulator: free open-source multiplatform flight sim
System dynamics program with additional features for economics
IDE for modeling and simulating discrete systems
Object-oriented equation-based modelling and optimisation software
Plug&Play Hardware simulation over a virtual bus system.
Discrete System Modeler
Random phenomena generator
DNP3 Outstation and client simulator, Source code Library, win, Linux
IEC 104 RTU Server Client Simulator Source Code Library Win Linux
DNP3 Protocol Source code Library for Linux x86 x64 ARM PowerPC
IEC 104 Source code Library for Linux c c++ posix arm
IEC 101 Embedded Linux ARM, POSIX x86 x86-64 - c, c++ programming
IEC 60870-5-101 Source code Library Stack - Windows c, c++, c# .net
Gradually Varied Flow (GVF) simulation.
slab3d is a real-time virtual acoustic environment.
Building blocks for the renewable energy industry.
An OpenCL Solar System simulation