Top HTML GitHub Repositories & Tools (2026)

This is a responsive website designed to house and promote the progress of RPCS3, an open-source PlayStation 3 emulator and debugger written in C++. This repository is regularly updated.

DOMjudge programming contest jury system

e107 Bootstrap CMS (Content Management System) v2 with PHP, MySQL, HTML5, jQuery and Twitter Bootstrap. Issue Discussion Room: https://gitter.im/e107inc/e107

A blazing fast type-checked HTML macro crate.

Monorepo of webcomponents and associated microservice apis

A modern CSS selector implementation for BeautifulSoup

:muscle::ballot_box_with_check: A jQuery plugin that turns regular select boxes into Quicksilver-like, flex-matching, incremental-finding controls.

Reactive HTML attributes. No build step, signals-based, CSP-safe.

Modern Accessible WYSIWYG rich text editor built as a framework-agnostic Web Component that works everywhere.

slideshow gems - write your slides / talks / presentations in plain text with markdown formatting conventions

A lightweight Typescript library that interacts with Gotenberg's different modules to convert a variety of document formats to PDF files.

NukeViet CMS is multi Content Management System. NukeViet CMS is the 1st open source content management system in Vietnam. NukeViet was awarded the Vietnam Talent 2011, the Ministry of Education and Training Vietnam officially encouraged to use.

Check for broken links in markup files

Routing feature for Compose Web, Compose HTML and Desktop

Unofficial Tailwind CSS extension for IntelliSense, linting, sorting, and more to enhance the development experience in Visual Studio 2026 and 2022.

📝 Markdown and HTML renderer for Svelte 5 — built for streaming AI agent output from Claude Code, ChatGPT, and agentic workflows. XSS-safe defaults, token caching, TypeScript types.

Web Components for building declarative, graphical web apps

PHP library to find URLs in text and turn them into clickable links. Made to handle complex URLs, HTML markup and edge cases.

Ruby on Rails MIME and syntax files for gedit

🕵️‍♂️ All-in-one OSINT reconnaissance tool for dissecting any website. 🧠🌐💥