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
WebDriver for Firefox
Convert HTML to PDF using Webkit (QtWebKit)
HTML, CSS and JS framework for developing responsive websites and apps
Convert PDF to HTML without losing text or format
Tabler is free and open-source HTML Dashboard UI Kit
phpipam open-source IP address management
Powerful rich text editor framework with a modular architecture
The granddaddy of HTML tools, with support for modern standards
Simple library that provides standard Unicode emoji for all platforms
The next generation Javascript WYSIWYG HTML Editor
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
A JS-independent, tree-shakeable CSS framework
An extensible Markdown Editor, Viewer and Weblog Publisher for Windows
AdminKit is a free & open-source HTML dashboard & admin template
Open Source UI Kit built on top of Bootstrap 5 and plain JavaScript
Converts books written in Markdown to HTML, LaTeX/PDF and EPUB
Better markdown parser in PHP
HTML Loader
Free Introduction to Bash Scripting eBook