Resources and materials to get yourself started with open source
WebDriver for Firefox
HTML to PDF converter for PHP
HTML, CSS and JS framework for developing responsive websites and apps
XSS sanitizer for HTML, MathML and SVG
AdminKit is a free & open-source HTML dashboard & admin template
An extensible Markdown Editor, Viewer and Weblog Publisher for Windows
Web Extension for Firefox/Chrome/MS Edge and CLI tool
Status, process, and documents for ECMA-262
Open Source UI Kit built on top of Bootstrap 5 and plain JavaScript
The HTML5 Creation Engine, to create beautiful digital content
PufferPanel is an open source game server management panel
PDF exporter for HTML presentations
Create HTML profiling reports from pandas DataFrame objects
A minimal CSS framework/theme
Converts CSS selectors to XPath expressions
Static site generator that supports Markdown and reST syntax
A Kotlin web framework
HTML to PDF or image (jpeg, png, webp) converter via Chrome/Chromium
Create web applications entirely by writing HTML and CSS
A JS-independent, tree-shakeable CSS framework
Lighter, faster browser kernel of blink to integrate HTML UI in apps
Java based open source static site/blog generator for developers
Electron based open source toolbox, free integration of rich plug-ins
Rust high performance xml reader and writer