Android Nougat GUI - Free fully customizable Android UI Kit for Sketch
Supabase UI - React component library for enterprise dashboards
Contra Wireframe Kit - Open source wireframe kit for design and prototyping 🚀
Refine - A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibilty.
Epic Pxls - UI kits, icons, templates, mockups and more, free
Blitz.js - Rails-like framework for React apps, built on Next.js