Came here to say this too. KiCAD has come a LONG way in the last couple years. It’s suitable for professional work and a no brainer for open source hardware.

Came here to say this too. KiCAD has come a LONG way in the last couple years. It’s suitable for professional work and a no brainer for open source hardware. Who is going to drop $4k/year for an Altium license to contribute to your open source project?!