Digital Circuits Design and Simulation
VHDL 2008/93/87 simulator
PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
General Mission Analysis Tool
Component, CA, and CCA models; superdense time, ETL DB, testing, etc.
Object-oriented equation-based modelling and optimisation software
A free, open-source electronics calculator suite for Linux
Particle-in-cell code for plasma simulation
A Dassault Aviation project to simplify the building of prototypes
Frevo is probably the simplest tool for evolutionary design
Growth-grammar related Interactive Modelling Platform
AVR simulator IDE
Dedicated to computer-aided engineering Linux distribution
A framework for simulating open quantum dynamics
Toolkit for agent-based & dynamic microsimulation modelling
A simple Python framework for loosely-coupled multiphysics simulations
Open Knowledge on engineering development.
Analyze molecular simulation data
A finite volume groundwater simulator
TCAD Device Simulator