KiCad
KiCad EDA - Schematic Capture & PCB Design Software (https://www.kicad.org/)
Good, free software for PCB design and also has a SPICE simulator in the package, there is a learning curve on it though
(https://www.kicad.org/img/frontpage/kicad_eeschema_thumb.png)
(https://www.kicad.org/img/frontpage/kicad_pcbnew_thumb.png)
(https://www.kicad.org/img/frontpage/kicad_3dviewer_thumb.png)
EasyEDA
EasyEDA - Online PCB design & circuit simulator (https://easyeda.com/)
Similar software to KiCad but has the backing of JLCPCB