GPL software which renders realistic skies in real time
A circuit simulator with graphical user interface (GUI)
PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
Digital Circuits Design and Simulation
Discrete-event simulation modeling software for science and education
Frevo is probably the simplest tool for evolutionary design
Plug&Play Hardware simulation over a virtual bus system.
Electromagnetic Analysis Software
QC tests and patient doses from radiodiagnostic XRay equipment
Alpha, Beta, Gamma measurements and Nuclide exposure
Peak and global efficiency of radiation source-detector equipment
Allows you to build your own circuits and test them
GNS3 Network simulator Live USB
A planetarium software that shows a 3D simulation of the night sky
An open source process simulator
Growing suite of proteomics simulations for educational purposes
Simulate high power rocket flights with splash down plots