KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
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...
Altium Designer - PCB Design Software
QUCS - Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.
DipTrace - DipTrace - Professional Schematic Capture and PCB Design Software