The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

A library of creative canvas components. Real HTML with WebGL effects running over it. React, Vue, Svelte, vanilla.

State machines, statecharts, and actors for complex logic

Preview 275+ file formats in the browser: Office, PDF, OFD, CAD, 3D, archives. Pure frontend, no server conversion. Vue / React / Svelte / Web Components.

A client-first, server-capable, fully type-safe router and full-stack framework for the web (React and more).

Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table

Headless UI for Virtualizing Large Element Lists in JS/TS, React, Solid, Vue and Svelte

Next-gen Web Extension Framework

A lightweight carousel library with fluid motion and great swipe precision

Multi-framework streaming Markdown renderers for AI apps: Vue/Nuxt, React/Next.js, Svelte, and Angular, with Mermaid, KaTeX, stream-diffs code blocks, safe HTML, and low-jitter updates.

Powerful and type-safe form state management for the web

Build modern single-page React, Vue and Svelte apps using classic server-side routing and controllers.

A zero-config, drop-in animation utility that adds smooth transitions to your web app. You can use it with React, Vue, or any other JavaScript application.

The cross-browser extension framework.

Unified icon framework that can be used with any icon library

Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.

A javascript scrollbar plugin that hides the native scrollbars, provides custom styleable overlay scrollbars, and preserves the native functionality and feel.

Type-Safe keyboard shortcuts library with awesome devtools

Multi-framework responsive image component

A zero-config, fast and small virtual list, grid and masonry component for React, Vue, Solid, Svelte and Angular.

A set of UI primitives that start their lives in clean HTML and CSS.

Comark is an open-source Markdown parser and renderer with components, attributes and plugins. It streams AI output to React, Vue, Svelte, Angular, HTML and the terminal.

An animated number component for React, Vue, Svelte, and TS/JS.

Powerful virtual data table smartsheet with advanced customization. Best features from excel plus incredible performance

Framework agnostic, type-safe store w/ reactive framework adapters

The full stack <head> package for any framework.

Fast drag and drop for any experience on any tech stack