PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
Digital Circuits Design and Simulation
Class library for computational cybernetics
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
Plug&Play Hardware simulation over a virtual bus system.
FEATool Multiphysics is an easy-to-use FEA and CFD Simulation Toolbox
Software for calibration of hyperelastic constitutive models
Weld Optimization for Automatic Welding
Discrete-event simulation modeling software for science and education
An EnergyPlus shell for parametric studies and more ...
Use simulation to perform statistical analyses.
Component, CA, and CCA models; superdense time, ETL DB, testing, etc.
The MaryTTS module for the protoFramework project
Static and Dynamic Structural Analysis of 2D and 3D frames.
Wind Turbine Rotor Design and Simulation
OpenNum lets you distribute solvers with a nice graphical interface
Real-time interactive 3D graphics API for scientific simulations
AVR simulator IDE
Dedicated to computer-aided engineering Linux distribution
Application Integration for HPC Multiphysics
A framework for simulating open quantum dynamics
Parallel simulators for Membrane Computing on the GPU