Browse free open source HTML/XHTML software and projects for Windows 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
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
The granddaddy of HTML tools, with support for modern standards
Simple library that provides standard Unicode emoji for all platforms
Userscript designed to expand the functionality of YouTube
Web Extension for Firefox/Chrome/MS Edge and CLI tool
A JS-independent, tree-shakeable CSS framework
A patched version of discord, with bot login support
An extensible Markdown Editor, Viewer and Weblog Publisher for Windows
AdminKit is a free & open-source HTML dashboard & admin template
Converts books written in Markdown to HTML, LaTeX/PDF and EPUB
Better markdown parser in PHP
HTML Loader
Open Source UI Kit built on top of Bootstrap 5 and plain JavaScript
XSS sanitizer for HTML, MathML and SVG
C# .NET Core wrapper for wkhtmltopdf library that uses Webkit engine
Status, process, and documents for ECMA-262
Juice inlines CSS stylesheets into your HTML source
DeskApp Admin is a free to use Bootstrap 4 admin template