Common Library with 2 pc in same network

[Piotr]

@Idefix

On other way is to put every footprint in one unic library.

Working with Protel (till 2017) I had all footprints in one library that during years raised and raised.
When decided to move to KiCad first I done (before even trying to design first PCB was to decide how will look my library structure.
I have described it some time ago (may be you will see it useful):

Directory Organization

Agree. I use only global libraries and I use only symbols and footprints and 3D models from my libraries. All symbols I define myself. Footprints I copy from KiCad libraries and modify a little. Before even trying to design my first KiCad PCB I have checked what are the possibilities to prepare files for documentation I need. And I found being it a problem with KiCad footprints. So I decided to have them defined a little differently (I have Reference and Value at CrtYd layer). I also don’t li…