Awesome Javascript

JSHint is a tool that helps to detect errors and potential problems in your JavaScript code

Micro check library

Beautifier for javascript

tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them as animated backgrounds for your website. Ready to use components available for React.js, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Inferno, Solid, Riot and Web Components.

Validate your forms, frontend, without writing a single line of javascript

🛤 Detection of elements in viewport & smooth scrolling with parallax.

An easy-to-read, quick reference for JS best practices, accepted coding standards, and links around the Web

E2E test framework for Angular apps

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale.

A renderer agnostic two-dimensional drawing api for the web

i18next: learn once - translate everywhere

No longer maintained, superseded by JS Cookie:

⚡️ The Jamstack framework for Vue.js

A lightweight carousel library with fluid motion and great swipe precision.

A CSS only tooltip library for your lovely websites.

HTML5 <audio> or <video> player with support for MP4, WebM, and MP3 as well as HLS, Dash, YouTube, Facebook, SoundCloud and others with a common HTML5 MediaElement API, enabling a consistent UI in all browsers.

BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.

Multiple file upload plugin with image previews, drag and drop, progress bars. S3 and Azure support, image scaling, form support, chunking, resume, pause, and tons of other features.

📦 Zero-configuration bundler for tiny modules.

A graph node engine and editor written in Javascript similar to PD or UDK Blueprints, comes with its own editor in HTML5 Canvas2D. The engine can run client side or server side using Node. It allows to export graphs as JSONs to be included in applications independently.

Traceur is a JavaScript.next-to-JavaScript-of-today compiler

Embedded JavaScript templates -- http://ejs.co

A refreshing JavaScript Datepicker — lightweight, no dependencies, modular CSS

Simple feed-forward neural network in JavaScript

A touch slideout navigation menu for your mobile web apps.

Responsive and slick progress bars

Buttons with built-in loading indicators.

Lightweight controller library for JavaScript.

⚠️ [Deprecated] No longer maintained, please use https://github.com/fengyuanchen/jquery-cropper

A dependency-free JavaScript ES6 slider and carousel. It’s lightweight, flexible and fast. Designed to slide. No less, no more

The mobile-friendly, responsive, and lightweight jQuery date & time input picker.

jQuery plugin to fire events when user's cursor aims at particular dropdown menu items. For making responsive mega dropdowns like Amazon's.

:leaves: Touch, responsive, flickable carousels

Javascript library to create physics-based animations

An extensible, plugin-oriented, HTML5-first media player for the web

Multi-Dimensional charting built to work natively with crossfilter rendered with d3.js

An SQL-friendly ORM for Node.js

Smoothly transitions numbers with ease. #hubspot-open-source

jQuery lightbox script for displaying images, videos and more. Touch enabled, responsive and fully customizable.

Jspreadsheet is a lightweight JavaScript data grid component for creating interactive data grids with advanced spreadsheet controls.

CasperJS is no longer actively maintained. Navigation scripting and testing utility for PhantomJS and SlimerJS

Lightweight, vanilla javascript parallax library

OS.js - JavaScript Web Desktop Platform

A collection of loading spinners animated with CSS

The Backbone Framework

Ultra lightweight, usable, beautiful autocomplete with zero dependencies.

the easiest way to use Google Maps

architecture-free neural network library for node.js and the browser

mxGraph is a fully client side JavaScript diagramming library

A modern dialog library which is highly configurable and easy to style. #hubspot-open-source