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
Tabler is free and open-source HTML Dashboard UI Kit
The granddaddy of HTML tools, with support for modern standards
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 next generation Javascript WYSIWYG HTML Editor
A simple static site generator written in Clojure
AdminKit is a free & open-source HTML dashboard & admin template
Open Source UI Kit built on top of Bootstrap 5 and plain JavaScript
Userscript designed to expand the functionality of YouTube
A patched version of discord, with bot login support
Web Extension for Firefox/Chrome/MS Edge and CLI tool
C# .NET Core wrapper for wkhtmltopdf library that uses Webkit engine
HTML Loader
A robust HTML entity encoder/decoder written in JavaScript
Conversion from *.mht files to *.htm files.