I'll leave it up in case some old projects rely on it, but I have for quite a while strived to contribute all new symbols, footprints and 3D models to the upstream kicad repositories, and I encourange people to do the same. Check out the KiCAD Library Convention documentation if you're interested/
A collection of all the parts and footprints that I use in KiCAD
Noteable mentions for google:
- Kailh PCB sockets, dimensions gotten from: https://github.com/skullydazed/clueboard_eagle