node-red/nrlint

Option parsing for Node, supporting types, shorthands, etc. Used by npm.

Formats data into a string table.

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.

Highly configurable, well-tested, JavaScript-based HTML minifier.

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

CLI for webpack & friends

ESLint which works in browsers.

Parser Utility for Node-RED Flow JSON