Tetrisly - Starter kit for design systems and wireframes builder (Sketch/Figma)
React Bricks - React Bricks is a CMS with the best Visual editing experience for Content editors, but great for Developers too, as content blocks are React components defined in code.
Framer - 🔥 Design real websites right on the canvas.
WeWeb - WeWeb empowers anyone to build a professional looking website in minutes. It is based on components developers can easily customize.
Flawwwless ui - Simplified open source React.js components library 🚀
CodeSee Maps - Maps are auto-generated, self-updating code diagrams.