PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
Digital Circuits Design and Simulation
IEC 104 RTU Server Client Simulator Source Code Library Win Linux
IEEE LRM compliant System Verilog Parser in Java with Python, Tcl API
Integrated Development Environment (IDE) for learning HDL
Community driven PCB Layout and Schematic capture software
Digital circuit simulator
Simple and intuitive 2D vector drawing for electronics and not only.
Eclipse-based IDE for design verification tasks
Penthode simulates, draw and plot electrical power distributions
Python Gerber to G-code converter
FFT co-processor in Verilog based on the KISS FFT
A graphical Finite State Machine (FSM) designer.
An HDL alternative to PCB graphical schematic capture tools.
Convert CSV to Kicad footprint.