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 to PDF converter for PHP
The granddaddy of HTML tools, with support for modern standards
HTML, CSS and JS framework for developing responsive websites and apps
The next generation Javascript WYSIWYG HTML Editor
Powerful rich text editor framework with a modular architecture
Tabler is free and open-source HTML Dashboard UI Kit
Simple library that provides standard Unicode emoji for all platforms
Lighter, faster browser kernel of blink to integrate HTML UI in apps
Open Source UI Kit built on top of Bootstrap 5 and plain JavaScript
The warehouse's SpringBoot-based rights management system
Bootstrap 5 & Material Design 2.0 UI KIT
Html menu generator
Better markdown parser in PHP
Centralized, well-typed, non-blocking set of APIs for PHP programmers
Electron based open source toolbox, free integration of rich plug-ins
Simple.css is a classless CSS template to make a good website
Build flutter apps with HTML/CSS and JavaScript.
From community websites to web applications, this CSS framework
Java library for working with real-world HTML
nodejsscan is a static security code scanner for Node.js applications
Build GUI for your Python program with JavaScript, HTML, and CSS