Repository of KiCad Parts used on USST projects.
All parts should follow the official KLC!
https://github.com/KiCad/kicad-library/wiki/Kicad-Library-Convention
The KiCad library utils makes it easier to check if you are following the conventions
https://github.com/KiCad/kicad-library-utils
You may also want to check out KiPart when making large schematic components:
https://github.com/xesscorp/KiPart
You can also try out Quicklib:
http://kicad.rohrbacher.net/quicklib.php
And Madparts can let you automate the creation of physical footprints:
http://madparts.org/footprint.html
Please check the Wiki for more specific tutorials.