KiCad is big news for schematic capture, says Digi-Key
Getting Started with KiCad Version 6 : Beginner's Tutorial to Schematic and PCB Design - CIRCUITSTATE Electronics
Creating A PCB In Everything: KiCad, Part 1 | Hackaday
KiCAD] How do you handle PCB layout when the schematic includes objects connected to PCB externally and multiple PCBs using the different sections of the schematic? : r/PrintedCircuitBoard
Creating A PCB In Everything: KiCad, Part 2 | Hackaday