GitHub - KiCad/kicad-library: The schematic and 3D libraries for KiCad 4.0. Note that the footprint libraries are the *.pretty repos themselves. This is an orphaned repo, the news about the v5 libs,
KiCad 3D Library Archive – Electronics Projects Circuits
LM2596 module for KiCad | 3D CAD Model Library | GrabCAD
KiCad 5.0 - Adding new footprint libraries - YouTube