Directory
UI kits
Reviewed resources in UI kits. 31 resources listed.
Ant Design X
x.ant.designA React component library, built on Ant Design, for building chat interfaces, copilots and other AI-driven conversational user interfaces.
Fontsource
fontsource.orgA monorepo that bundles self-hostable open-source fonts, mostly mirrored from Google Fonts, into individual, version-locked NPM packages.
ThreeUI Community
threeui.comAn open-source catalog of live, interactive Three.js and WebGL React UI components, with browsable variants, controls, and full source for every included component.
Preline UI
preline.coAn open-source Tailwind CSS component library with prebuilt blocks, templates, and headless plugins for building websites and apps, plus a Figma design system and agent skills for theming.
assistant-ui
assistant-ui.comAn open-source TypeScript and React library for building production-grade AI chat interfaces quickly, with composable primitives, streaming and generative UI, plus backends for the Vercel AI SDK and LangGraph.
Astryx
astryx.atmeta.comAn open-source design system built on React and StyleX that ships accessible components, theming, and a CLI meant to be used the same way by people and AI coding assistants.
Plate
platejs.orgA rich-text editor framework for React with AI features and shadcn/ui components, built around a headless plugin system for the underlying Slate editor.