[antattack]

Horizon is great and all but it insists on using real parts for everything which would be ok if it had lcsc parts catalog which it does not.

[atoav]

But it uses json for parts. So scraping and just writing it to your library is a real option, especially when you fall back on existing parts. It can also import parts from kicad, although I didn't try that.

[andromeduck]

I wanted to take a shot at over last Christmas break but the state of GTK on MacOS made it a non starter unfortunately.

Easy EDA still seems like the best for most projects.