FreeCAD/FreeCAD-library: A library of Parts for FreeCAD. WARNING - This library is huge. It might take a long time to download and make the addons manager unresponsive for many minutes.……
alexjoverm/typescript-library-starter: Starter kit with zero-config for building a library in TypeScript, featuring RollupJS, Jest, Prettier, TSLint, Semantic Release, and more!……
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, http://ki ...……
copyconstruct/library: A collection of the papers, conference talks, articles, blog posts, interesting Twitter threads, HN/reddit comments on systems engineering……
adafruit/Adafruit-GFX-Library: Adafruit GFX graphics core library, this is the 'core' class that all our other graphics libraries derive from……