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.
WebDriver for Firefox
Create QR Codes in PHP
The granddaddy of HTML tools, with support for modern standards
HTML to PDF converter for PHP
phpipam open-source IP address management
Powerful rich text editor framework with a modular architecture
Convert PDF to HTML without losing text or format
A patched version of discord, with bot login support
HTML, CSS and JS framework for developing responsive websites and apps
Convert HTML to PDF using Webkit (QtWebKit)
The next generation Javascript WYSIWYG HTML Editor
Simple library that provides standard Unicode emoji for all platforms
AdminKit is a free & open-source HTML dashboard & admin template
Open Source UI Kit built on top of Bootstrap 5 and plain JavaScript
XSS sanitizer for HTML, MathML and SVG
The HTML5 Creation Engine, to create beautiful digital content
Web Extension for Firefox/Chrome/MS Edge and CLI tool
Java library for working with real-world HTML
Hgh power tools for HTML