Terser - JavaScript parser, mangler, optimizer and beautifier toolkit for ES6+
highlight.js - Highlight.js is a syntax highlighter written in JavaScript. It works in the browser as well as on the server.
UglifyJS - JavaScript minifier, beautifier, mangler and parser toolkit.
code-prettify - Code Prettify is an embeddable script that makes source-code snippets in HTML prettier.
JavaScript Obfuscator - JavaScript Obfuscator is a free online tool that obfuscates your source code, preventing it from being stolen and used without permission.
OCS inventory NG - OCS inventory NG is a free software that enables users to inventory IT assets.