Awesome Javascript

A framework to make it easy for developers to add product tours to their pages.

A lightweight and amazing WYSIWYG JavaScript editor under 10kB

Clean up user-submitted HTML, preserving whitelisted elements and whitelisted attributes on a per-element basis. Built on htmlparser2 for speed and tolerance

The only script in your HEAD.

Simple, beautiful wysiwyg editor

🔮 An easy-to-use JavaScript unit testing framework.

Growl-style alerts and messages for your app. #hubspot-open-source

A blazing fast js bundler/loader with a comprehensive API :fire:

Create word clouds in JavaScript.

Give your JavaScript the ability to speak many languages.

A node.js library for testing modern web applications

JSLint, The JavaScript Code Quality and Coverage Tool

A jquery plugin for CSS3 text animations.

A robust HTML entity encoder/decoder written in JavaScript.

Detect copy-pasted and structurally similar code

FileAPI — a set of javascript tools for working with files. Multiupload, drag'n'drop and chunked file upload. Images: crop, resize and auto orientation by EXIF.

OCR in Javascript via Emscripten

Ultra-high performance reactive programming

Port of FFmpeg with Emscripten

A solid, fast Promises/A+ and when() implementation, plus other async goodies.

A next-generation package manager for the front-end

String manipulation helpers for javascript

A script and resource loader for caching & loading files with localStorage

The responsive CSS animation framework for creating unique sliders, presentations, banners, and other step-based applications.

A platform detection library.

A lightweight data binding library.

a responsive equal heights plugin

A scriptable browser like PhantomJS, based on Firefox

A JavaScript library providing multiple simultaneous, stable, fault-tolerant and resumable/restartable file uploads via the HTML5 File API.

Asyncronous JavaScript loader and dependency manager

Asynchronous Javascript templating for the browser and server

:calendar: Customizable date (and time) picker. Opt-in UI, no jQuery!

Simple, lightweight, persistent two-way databinding

JavaScript library for one-directional scrolling with item based navigation support.

Very lightweight progress bars. No jQuery

A markdown editor. http://lab.lepture.com/editor/

2012 UI framework (I was 20 years old, React didn't exist, inspired by Knockout)

A jQuery tooltip plugin

ESDoc - Good Documentation for JavaScript

Learn, design or document codebase by putting breadcrumbs in source code. Live updates, multi-language support and more.

Elegant, responsive, flexible and lightweight notification plugin with no dependencies.

a graph visualization library using web workers and jQuery

Lightweight analytics abstraction layer for tracking page views, custom events, & identifying visitors

jQuery Hotkeys lets you watch for keyboard events anywhere in your code supporting almost any key combination.

jQuery only range slider

Pure JavaScript library for better notification messages

:zap: Simple and easy to use lightbox script written in pure JavaScript

A jQuery UI plugin to handle multi-tag fields as well as tag suggestions/autocomplete.

Offload tasks to a pool of workers on node.js and in the browser

JavaScript Library for creating random pleasing colors and color schemes