Belle - Configurable React Components with great UX.
Blueprint - React-based UI toolkit for the web.
Ant Design - UI Design Language.
kit - Tools for developing, documenting, and testing React component libraries.
React Spring - Set of simple, spring-physics based primitives (as in building blocks) that should cover most of your UI related animation needs.
SVGR - Transform SVGs into React components.
Shopify - Shopify’s product component library.
create-react-library - CLI for easily publishing modern React libraries with Rollup and example usage via create-react-app.