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

State machines, statecharts, and actors for complex logic

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

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

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

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.

Fast drag and drop for any experience on any tech stack

Next-gen Web Extension Framework

A lightweight carousel library with fluid motion and great swipe precision

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

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

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

Powerful and type-safe form state management for the web

Unified icon framework that can be used with any icon library

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

The cross-browser extension framework.

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

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

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

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.

Browser-native Office / PDF / CAD / archive viewer for internal web apps, with Vue, React, Svelte, jQuery, Web Components, and no server-side conversion.

Multi-framework responsive image component

Simple zero-dependency input mask for Vue, Svelte, Alpine.js and vanilla JS.

The full stack <head> package for any framework.

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.

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

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

Type-Safe keyboard shortcuts library with awesome devtools