kicad

Free software suite for electronic design automation (EDA) that facilitates the design and simulation of electronic hardware for PCB manufacturing. It features an integrated environment for schematic capture, PCB layout, manufacturing file viewing, SPICE simulation, and engineering calculation, distinguishing itself with its open-source nature and cross-platform availability. KiCad is primarily used by electronics engineers, hobbyists, and educational institutions seeking a comprehensive and cost-effective EDA solution.