React Svelte

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

An open-source & self-hostable Heroku / Netlify / Vercel alternative.

React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely customizable.

Create beautiful applications using Go

Authentication for the Web.

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

Empowering JavaScript with native platform APIs. Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love Angular, React, Solid, Svelte, Vue with: iOS (UIKit, SwiftUI), Android (View, Jetpack Compose), Dart (Flutter) and you name it compatible.

A set of over 5800 free MIT-licensed high-quality SVG icons for you to use in your web projects.

Full featured HTML framework for building iOS & Android apps

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

An online IDE for rapid web development

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

Session replay, cobrowsing and product analytics you can self-host. Ideal for reproducing issues and iterating on your product.

tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them as animated backgrounds for your website. Ready to use components available for React.js, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Inferno, Solid, ...

Visual connectivity for webapps

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

Skeleton is an adaptive design system powered by Tailwind CSS.

Splide is a lightweight, flexible and accessible slider/carousel written in TypeScript. No dependencies, no Lighthouse errors.

Build your design system with React, Svelte, Vue, and Solid. Powered by State Machines

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

A set of headless, accessible component builders for Svelte.

Mobile UI components made with Tailwind CSS

Zero-config PWA for Vite

Workflow-Streamlined next-generation request tools. Extremely streamline API integration workflow, just one step

Web component JS frameworks overview by their syntax and features

Developer & translator friendly web-based localization platform

UI components and hooks for building video/audio players on the web. Robust, customizable, and accessible. Modern alternative to JW Player and Video.js.

Customizable, extensible, accessible and framework agnostic media player. Modern alternative to Video.js and Plyr. Supports HTML5, HLS, Dash, YouTube, Vimeo, Dailymotion...

A zero-config, fast and small (~3kB) virtual list (and grid) component for React, Vue, Solid and Svelte.

Modular data visualization framework for React, Angular, Svelte, Vue, and vanilla TypeScript or JavaScript

Debug your Jest tests. Effortlessly.

Fully customizable AI chatbot component for your website

A fully type-safe and lightweight internationalization library for all your TypeScript and JavaScript projects.

A module used to arrange card elements including content infinitely on a grid layout.

Selecto.js is a component that allows you to select elements in the drag area using the mouse or touch.

The easiest, free and open-source Tailwind CSS component library with semantic classes.

Preview UI components in your IDE instantly

One Draggable to rule them all

SyncedStore CRDT is an easy-to-use library for building live, collaborative applications that sync automatically.

JavaScript event calendar. Modern alternative to fullcalendar and react-big-calendar.

Multi-framework responsive image component

Keyboard shortcuts interface for your website. Working with static HTML, Vanilla JS, Vue, React, Svelte.

Create modern Tauri desktop apps in just a few simple steps with shadcn/ui. React, Next.js, Sveltekit.

A Svelte.js based UnoCSS UI library that allows you to make websites

A simple fireworks library! Ready to use components available for React, Vue 3, Svelte, Angular, Preact, Solid, and Web Components.

The ultimate toolkit for working with APIs.

CosmicNvim is a lightweight and opinionated Neovim config for web development, specifically designed to provide a COSMIC programming experience!

An extensible form library for Svelte, Solid and React

Components for scroll-based (or other externally controlled) playback.

The collaborative spreadsheet for AI. Chain cells into powerful pipelines, experiment with prompts and models, and evaluate LLM responses in real-time. Work together seamlessly to build and iterate on AI applications.

:bar_chart: :chart_with_upwards_trend:⠀Robust dataviz framework implemented using D3 & typescript

Developer-first embedded analytics

now deprecated.

Plugins, codelabs, and examples related to the Blockly library.

AgnosticUI is a set of UI primitives that start their lives in clean HTML and CSS. These standards compliant components are then copied to our framework implementations in: React, Vue 3, Angular, and Svelte.

View and Interact with PDFs in React, SolidJS, Svelte and JavaScript apps

Improve the Developer Experience of console

Papanasi is the Frontend UI library to use cross Frameworks. A set of components to use in Angular, Preact, Qwik, React, Solid, Svelte, Vue and Web Components

An HTML linter for all markup developers.

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

Universal Icon Library

Multi-Thumb, Accessible, Beautiful Range Slider with Pips

A port of Radix UI for Svelte