Smart GUI/Commandline tools to create IP-XACT( 2009/2014) files
IEEE LRM compliant System Verilog Parser in Java with Python, Tcl API
This software is a tool for designing electronic circuits using LaTeX.
VHDL Verification and Simulation Tool
DSpice: Design and Simulation of Circuits using Spice
Import your PCB boards to FreeCAD
RS485 library for C# and Python