Altium Library with 4000 components, IPC compliant footprints, 3D step model

Altium Library with over 4000 components, IPC compliant footprints, including 3D step model

schematic, pcb, schLib, pcblib, step and assembly drawings files (Altium Designer)

Altium's useful 3D library

C# .NET Standard library to read Altium library files and render them

McMaster Mars Rover Altium Team Libraries (.DbLib hosted internally). Contains SchLib and PcbLib files for various components.