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
Convert HTML to PDF using Webkit (QtWebKit)
WebDriver for Firefox
Convert PDF to HTML without losing text or format
HTML, CSS and JS framework for developing responsive websites and apps
The granddaddy of HTML tools, with support for modern standards
Tabler is free and open-source HTML Dashboard UI Kit
phpipam open-source IP address management
Simple library that provides standard Unicode emoji for all platforms
Powerful rich text editor framework with a modular architecture
The Ray Tracing in One Weekend series of books
The next generation Javascript WYSIWYG HTML Editor
Open Source UI Kit built on top of Bootstrap 5 and plain JavaScript
Web Extension for Firefox/Chrome/MS Edge and CLI tool
Status, process, and documents for ECMA-262
The fastest way to create an HTML app
Java library for working with real-world HTML
AdminKit is a free & open-source HTML dashboard & admin template
XSS sanitizer for HTML, MathML and SVG
C# .NET Core wrapper for wkhtmltopdf library that uses Webkit engine
A patched version of discord, with bot login support