Happy DOM is a JavaScript implementation of a web browser
Minimal CSS Framework for semantic HTML
An HTML to Markdown converter written in JavaScript
DataTables with Angular
Low output latency streaming HTML parser/rewriter with CSS API
The static code analysis tool you need for your HTML
A language for writing HTML user interfaces in Go
Simple.css is a classless CSS template to make a good website
Bootstrap 5 & Material Design 2.0 UI KIT
The safest & truly intuitive templates for PHP
Test your rendered HTML files to make sure they're accurate.
jQuery contextMenu plugin & polyfill
The flexible HTTP client library for Elixir
A minimal CSS framework/theme
Converts CSS selectors to XPath expressions
Enables you to convert HTML-pages/files into HTML-pages/files
Build GUI for your Python program with JavaScript, HTML, and CSS
Create HTML profiling reports from pandas DataFrame objects
Juice inlines CSS stylesheets into your HTML source
openvpn-monitor is a web based OpenVPN monitor
Everything you wish the HTML <select> element could do
A Node.js module that generates images from HTML
JavaScript plugin for finding links in plain-text and converting them
PostHTML is a tool to transform HTML/XML with JS plugins
Painless html generation