mutate a copy of data without changing the original source

JavaScript syntax highlighter with language auto-detection and zero dependencies.

Parse, validate, manipulate, and display dates in javascript.

Utilities for watching file trees in node.js

A simple JSONP implementation

🌈 Javascript color conversion and manipulation library

A simple, beautiful, and embeddable JavaScript Markdown editor. Delightful editing for beginners and experts alike. Features built-in autosaving and spell checking.

🍞📝 Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible.

Scroll Behavior polyfill

Immutable persistent data collections for Javascript which increase efficiency and simplicity.

Mime types for JavaScript

Connect middleware for busboy

The most used, flexible, fast and streaming parser for multipart form data. Supports uploading to serverless environments, AWS S3, Azure, GCP or the filesystem. Used in production.

A streaming parser for HTML form data for node.js

A markdown parser and compiler. Built for speed.

🐫 Underscore-to-camelCase converter (and vice versa) for strings and object keys in JavaScript.

Device detection (phone, tablet, desktop, mobile grade, os, versions)

Normalizes nested JSON according to a schema

String validation

Manage session history with JavaScript

BEM class name formatter

Friendly BEM-style class name generator, great for React.

Quill is a modern WYSIWYG editor built for compatibility and extensibility

The most powerful data validation library for JS

A cross platform solution to node's spawn and spawnSync

Run Internet Explorer 8/9/10/11/MS-Edge Virtual machines from Microsoft under Linux via VirtualBox.

A simple, lightweight JavaScript API for handling browser cookies

Git hooks made easy 🐶 woof!

Prepends timestamp to all your console outputs