Electric 9.07 💾

The Electric VLSI Design System is an open-source Electronic Design Automation (EDA) system that can handle many forms of circuit design, including: Custom IC layout Schematic Capture (digital and analog) Textual Languages (such as VHDL and Verilog) ...and much more. Electric is free software, and is an official GNU package.

minor feature:

GNU GPL vsli cad electronics integrated circuits ic