The [os](https://nodejs.org/api/os.html) module from node.js, but for browsers.
A very fast HTML parser, generating a simplified DOM, with basic element query support.
Official validator for AMP HTML (www.ampproject.org)
Missing ECMAScript module utils for Node.js
An elegant lib that converts the chalked (ANSI) text to HTML.
Enhances html-webpack-plugin functionality with async and defer attributes for script elements
Simplifies creation of HTML files to serve your webpack bundles
Enhances html-webpack-plugin with link rel=preload wiring capabilities for scripts
HTML templates literals in JavaScript
HTML/XML processor
Better TOML parsing and stringifying all in that familiar JSON interface.
Modular HTML minifier, built on top of the PostHTML
send text/html emails and attachments (files, streams and strings) from node.js to any smtp server
JavaScript parser written in OCaml. Produces ESTree AST