Top HTML GitHub Repositories & Tools (2026)

The web data API to search, scrape, and interact at scale. 🔥

Write HTML. Render video. Built for agents.

An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.

Get your documents ready for gen AI

Coding articles to level up your development skills

Fullstack app framework for web, desktop, and mobile.

JavaScript 3D Library.

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

🌱 Reactive views for the HTML+ERB you already have.

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

Tabler is free and open-source HTML Dashboard UI Kit built on Bootstrap

LocalViewer is a fast and full-featured Android SMB/WebDAV/CBZ photo/comic/ebook viewer and video player with folder and library support.

Provides an object-oriented API to sanitize untrusted HTML input for safe insertion into a document's DOM.

A simple HTML5, YouTube and Vimeo player

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

Self-hosted Speed Test for HTML5 and more. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more

A bidirectional Markdown to HTML to Markdown converter written in Javascript

Beautifier for javascript

jQuery Form Plugin

SwiftSoup: Pure Swift HTML Parser, with best of DOM, CSS, and jquery (Supports Linux, iOS, Mac, tvOS, watchOS)