Sketch Repo - Collection of resources for anyone who uses Sketch
Sketch Extensions - An official collection of Sketch extensions & plugins
Auto-Layout for Sketch - Responsive design for Sketch
Base UI Sketch Framework - Huge set of everything you need to design and prototype
Supernova Studio - The world’s first true design-to-code platform 🚀
SketchTool - Export pages & slices out of .sketch docs using CLI