Open source. Open possibilities.

Zag provides headless, framework-agnostic state machines for accessible JavaScript UI components, with adapters for React, Solid, Vue and Svelte and unstyled APIs for building your own design system.

Mirotone React is a component library for the Mirotone Design System, providing a set of React components and utilities to accelerate development for Miro.

mo · js is a fast, retina-ready, modular JavaScript motion graphics library for the web. It offers a declarative API with built-in components like Html, Shape, Swirl, Burst, and Stagger for creating delightful web animations.

HeroUI Native is an Apache-2.0 React Native UI component library positioned as beautiful, fast, and modern. It provides documentation, a quick-start example app, and a preview app for exploring components and variants on device.

A curated awesome list of framework-level UI component libraries and design systems, organized by framework such as React, Vue, Angular, Ember, Web Components, Rails and Astro, plus special-use-case libraries, tooling, style guides and community resources.

Webcore UI is an open-source component library for Astro, Svelte, and React. It uses Sass for styling and offers customizable components, blocks, templates, a CLI, themes, and CSS variables.

Saas UI is a design system and source component registry for SaaS products built on Chakra UI. It provides a Chakra preset, CLI-installed editable components, hooks, forms, auth and modal packages, plus docs, Storybook and examples.

HeroUI, formerly NextUI, is a production-ready React component library combining React Aria accessibility with Tailwind CSS v4. It offers compound components, per-component packages, and AI-oriented tooling such as an MCP server, llms.txt, and agent skills.