Awesome Javascript

🦎 Move an async function into its own thread.

Extract prominent colors from an image. JS port of Android's Palette.

Stellar.js - Parallax scrolling made easy

A Javascript library for working with Audio. It provides a consistent API for loading and playing audio on different browsers and devices. Currently supports WebAudio, HTML5 Audio, Cordova / PhoneGap, and a Flash fallback.

frontend package manager and build tool for modular web applications

A Javascript library for working with native objects.

:dog: The Offline First JavaScript Backend

JavaScript port of Vim

🏗️ Run a module in a Web Worker.

Unobtrusive page transitions with jQuery.

🍰 Progressive <svg> pie, donut, bar and line charts

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.

Codebase intelligence for TypeScript and JavaScript. Free static analysis of code and styles: unused code, duplication, circular deps, complexity hotspots, architecture boundaries, design-system drift. Optional paid runtime layer (Fallow Runtime): hot-path review and cold-path deletion evidence from real production traffic.

🔮 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.

Import Map Package Manager

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.

🧵 Make web workers & worker threads as simple as a function call.

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.

The same DOM API and Frameworks you know, but in a Web Worker.

A platform detection library.

A lightweight data binding library.

A keyboard input capturing utility in which any key can be a modifier key.

a responsive equal heights plugin

Console.log with style.

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.