PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
DNP3 Protocol Source code Library for Linux x86 x64 ARM PowerPC
IEC 101 Embedded Linux ARM, POSIX x86 x86-64 - c, c++ programming
DNP3 Source code Library for Windows and simulator
IEC 60870-5-101 Source code Library Stack - Windows c, c++, c# .net
A canvas library for generating technical drawings
Free Video Projector/Monitor Calibration Software
Electronic design and programming tools suite like Eagle, MpLab
A Library for Interactive Modelling and Visualisation
User software for HandPunch biometric time clock devices.