Browse free open source HTML/XHTML software and projects below. Use the toggles on the left to filter open source HTML/XHTML software by OS, license, language, programming language, and project status.
HTML, CSS and JS framework for developing responsive websites and apps
HTML to PDF converter for PHP
The granddaddy of HTML tools, with support for modern standards
Tabler is free and open-source HTML Dashboard UI Kit
Simple library that provides standard Unicode emoji for all platforms
Powerful rich text editor framework with a modular architecture
Open Source UI Kit built on top of Bootstrap 5 and plain JavaScript
The static code analysis tool you need for your HTML
Simple.css is a classless CSS template to make a good website
Open Source HTML5 Web Audio Library
Minimal CSS Framework for semantic HTML
The warehouse's SpringBoot-based rights management system
The fast & forgiving HTML and XML parser
Create 3D web applications with HTML, bring a new depth to your DOM
A JS-independent, tree-shakeable CSS framework
Lexbor is development of an open source HTML Renderer library
From community websites to web applications, this CSS framework
Vue 3 UI library, highly customizability, full TypeScript, performance
Lighter, faster browser kernel of blink to integrate HTML UI in apps
Build GUI for your Python program with JavaScript, HTML, and CSS
Standards for developing consisten and sustainable HTML and CSS
Bring data to life with SVG, Canvas and HTML
LaTeX.css is a library that makes your website look like a LaTeX doc