iCircuit - Its advanced simulation engine can handle both analog and digital circuits and features realtime...
KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
Altium Designer - PCB Design Software
Autodesk EAGLE - Autodesk EAGLE is an electronic design automation (EDA) software.
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
Fritzing - Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to...