Kactus2 is a graphical EDA tool based on the IP-XACT standard.
PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
Best in class SoC Integration Platform, IP-XACT, Verilog VHDL, UPF
PC based Oscilloscope and Spectrum analyzer using sound card
Schematic circuit editor for VLSI and Mixed mode circuit simulation.
IEC 104 RTU Server Client Simulator Source Code Library Win Linux
Includes tools for performing electronic calculations.
Real Time Electronic Circuit Simulator.
AVR simulator IDE
Optimer: a SPICE base electrical/ electronic circuit optimization tool
RxCalc is a calculator for the analysis of multi-stage receiver.
SPICE netlist visualizer
Kicad shematic library manager
Electronic design and programming tools suite like Eagle, MpLab
KiCad Symbol Generator (Schematic Lib)
Java Decision Diagrams (BDD) libraries: JDD and JBDD