awesome-javascript

npm is the package manager for JavaScript

Bower

A package manager for the web

component

Client package management for building better web applications

spm

Brand new static package manager

jam

A package manager using a browser-focused and RequireJS compatible repository

jspm

Frictionless browser package management

Ender

The no-library library

volo

Create front end projects from templates, add dependencies, and automate the resulting projects

Duo

Next-generation package manager that blends the best ideas from Component, Browserify and Go to make organizing and writing front-end code quick and painless

Fast, reliable, and secure dependency management

Fast, disk space efficient package manager

Bit

Create, find and reuse components (React, Angular, Node etc.) across applications

RequireJS

A file and module loader for JavaScript

browserify

Browser-side require() the node.js way

SeaJS

A Module Loader for the Web

HeadJS

The only script in your HEAD

lazyload

Tiny, dependency-free async JavaScript and CSS loader

script.js

Asynchronous JavaScript loader and dependency manager

systemjs

AMD, CJS & ES6 spec-compliant module loader

LodJS

Module loader based on AMD

ESL

Module loader browser first, support lazy define and AMD

modulejs

Lightweight JavaScript module system

Extensible Rust-based platform for compilation

webpack

Packs CommonJs/AMD modules for the browser

Rollup

Next-generation ES6 module bundler

Brunch

Fast front-end web app build tool with simple declarative config

Parcel

Blazing fast, zero configuration web application bundler

Microbundle

Zero-configuration bundler for tiny modules

FuseBox

A bundler that does it right

A lightning-fast frontend build tool, designed for the modern web

A quick online npm package size checker

Terser

parser, mangler and compressor toolkit for ES6+

Uglify

parser / mangler / compressor / beautifier toolkit

A typed superset of JavaScript that compiles to plain JavaScript

A static type checker for JavaScript from Facebook

A static type checker for JavaScript with a bias on type inference an strong type system

TypL

the JavaScript Type Linter with a bias on type inference

Hindley Milner Definitions

runtime type checking for JavaScript functions using Haskell-alike Hindley Milner type signatures

mocha

Simple, flexible, fun JavaScript test framework for node.js & the browser

jasmine

DOM-less simple JavaScript testing framework

qunit

An easy-to-use JavaScript Unit Testing framework

jest

Painless JavaScript Unit Testing

prova

Node & Browser test runner based on Tape and Browserify

DalekJS

Automated cross browser functional testing with JavaScript

Protractor

Protractor is an end-to-end test framework for AngularJS applications

tape

Tap-producing test harness for node and browsers

TestCafe

Automated browser testing for the modern web development stack

ava

🚀 Futuristic JavaScript test runner

Complete end-to-end testing framework for anything that runs in a browser and beyond

Next-gen browser and mobile automation test framework for Node.js

chai

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

Enzyme is a JavaScript Testing utility for React that makes it easier to assert, manipulate, and traverse your React Components' output

react testing library

Simple and complete React DOM testing utilities that encourage good testing practices

Sinon.JS

Test spies, stubs, and mocks for JavaScript

expect.js

Minimalistic BDD-style assertions for Node.JS and the browser

proxyquire

Stub nodejs's require

istanbul

Yet another JS code coverage tool

blanket

A simple code coverage library for JavaScript. Designed to be easy to install and use, for both browser and nodejs

JSCover

JSCover is a tool that measures code coverage for JavaScript programs

phantomjs

Scriptable Headless WebKit

slimerjs

A PhantomJS-like tool running Gecko

casperjs

Navigation scripting & testing utility for PhantomJS and SlimerJS

zombie

Insanely fast, full-stack, headless browser testing using node.js

totoro

A simple and stable cross-browser testing tool

karma

Spectacular Test Runner for JavaScript

nightwatch

UI automated testing framework based on node.js and selenium webdriver

intern

A next-generation code testing stack for JavaScript

puppeteer

Headless Chrome Node.js API by official Google Chrome team

webdriverio

Next-gen WebDriver test automation framework for Node.js

taiko

A Node.js library with a simple API to automate Chromium based browsers

Playwright

Node.js library to automate Chromium, Firefox and WebKit with a single API

prettier

Prettier is an opinionated code formatter

JSHint

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

jscs

JavaScript Code Style checker

jsfmt

For formatting, searching, and rewriting JavaScript

jsinspect

Detect copy-pasted and structurally similar code

buddy.js

Magic number detection for JavaScript

ESLint

A fully pluggable tool for identifying and reporting on patterns in JavaScript

JSLint

High-standards, strict & opinionated code quality tool, aiming to keep only good parts of the language

JavaScript Standard Style

Opinionated, no-configuration style guide, style checker, and formatter

Pre-evaluate code at buildtime

Pre-evaluate your front end javascript code at build-time

JS-Beautifier

Npm cli and library to format JS code

husky

Prevents bad git commit, git push and more

angular.js

HTML enhanced for web apps. (deprecated)

angular

Angular is a development platform for building mobile and desktop web applications using Typescript/JavaScript and other languages

A JavaScript client framework for mobile, desktop and web

backbone

Give your JS App some Backbone with Models, Views, Collections, and Events

ember.js

A JavaScript framework for creating ambitious web applications

meteor

An ultra-simple, database-everywhere, data-on-the-wire, pure-javascript web framework

ractive

Next-generation DOM manipulation

vue

Intuitive, fast & composable MVVM for building interactive interfaces

svelte

Svelte is a new way to build web applications. It's a compiler that takes your declarative components and converts them into efficient JavaScript that surgically updates the DOM

knockout

Knockout makes it easier to create rich, responsive UIs with JavaScript

spine

Lightweight MVC library for building JavaScript applications

espresso.js

A minimal JavaScript library for crafting user interfaces

canjs

Can do JS, better, faster, easier

A library for building user interfaces. It's declarative, efficient, and extremely flexible. Works with a Virtual DOM

hyperapp

1kb JavaScript library for building frontend applications

preact

Fast 3kb React alternative with the same ES6 API. Components & Virtual DOM

nativescript

Build truly native cross-platform iOS and Android apps with JavaScript

react-native

A framework for building native apps with React

riot

React-like library, but with very small size

thorax

Strengthening your Backbone

chaplin

An architecture for JavaScript applications using the Backbone.js library

marionette

A composite application library for Backbone.js that aims to simplify the construction of large scale JavaScript applications

ripple

A tiny foundation for building reactive views

rivets

Lightweight and powerful data binding + templating solution

derby

MVC framework making it easy to write realtime, collaborative applications that run in both Node.js and browsers

derby-awesome

A collection of awesome derby components

way.js

Simple, lightweight, persistent two-way databinding

mithril.js

Mithril is a client-side MVC framework (Light-weight, Robust, Fast)

jsblocks

jsblocks is better MV-ish framework

feathers

A minimalist real-time JavaScript framework for tomorrow's apps

Keo

Functional stateless React components with Shadow DOM support

atvjs

Blazing fast Apple TV application development using pure JavaScript

Alpine.js

offers you the reactive and declarative nature of big frameworks like Vue or React at a much lower cost

inferno

🔥 An extremely fast, React-like JavaScript library for building modern user interfaces

Elegant and all-inclusive Node.JS framework for building web applications (TypeScript)

Lucia

3kb library for tiny web apps

Adonis

The Node.js Framework highly focused on developer ergonomics, stability and confidence

GrapesJS

Free and Open source Web Builder Framework. Next generation tool for building templates without coding

Rete.js

A modular framework for visual programming allows to create node based editor in browser

litegraph.js

A graph node engine and editor similar to PD or UDK Blueprints, comes with its own editor in HTML5 Canvas2D

Drawflow

This allow you to create data flows easily and quickly

Blockly

A library that adds a visual code editor to web and mobile apps by Google

Million

<1kb compiler-focused virtual DOM. It's fast!

Whatsup

A frontend framework for chillout-mode development 🥤. JSX components on generators, fast mobx-like state management and exclusive cssx style system

Remult

A CRUD framework for full-stack TypeScript

KeystoneJS

powerful CMS and web app framework

Reaction Commerce

reactive CMS, real-time architecture and design

Ghost

simple, powerful publishing platform

Apostrophe

CMS with content editing and essential services

We.js

framework for real time apps, sites or blogs

Hatch.js

CMS platform with social features

TaracotJS

fast and minimalist CMS based on Node.js

Nodizecms

CMS for CoffeeScript lovers

Cody

CMS with WSYWYG editor

PencilBlue

CMS and blogging platform

Strapi

Open source Node.js Headless CMS to easily build customisable APIs

Factor

The Javascript CMS

mustache.js

Minimal templating with {{mustaches}} in JavaScript

handlebars.js

An extension to the Mustache templating language

A rich and powerful templating language for JavaScript from Mozilla

hogan.js

A compiler for the Mustache templating language

doT

The fastest + concise JavaScript template engine for nodejs and browsers

dustjs

Asynchronous templates for the browser and node.js

eco

Embedded CoffeeScript templates

JavaScript-Templates

< 1KB lightweight, fast & powerful JavaScript templating engine with zero dependencies

t.js

A tiny JavaScript templating framework in ~400 bytes gzipped

Pug

Robust, elegant, feature rich template engine for nodejs. (formerly known as Jade)

EJS

Effective JavaScript templating

xtemplate

eXtensible Template Engine lib for node and the browser

marko

A fast, lightweight, HTML-based templating engine for Node.js and the browser with async, streaming, custom tags and CommonJS modules as compiled output

swig

(Archived) A simple, powerful, and extendable Node.js and browser-based JavaScript template engine

Make WebVR

Open Source Cross-Platform Game Development Framework

Impact - HTML5 Canvas & JavaScript Game Engine

Free and Easy Game-Making App

A game programming library that helps you make games fast and fun

A 2D rigid body JavaScript physics engine

Open source HTML5 game engine that empowers developers and designers to focus on content

Phaser - A fast, fun and free open source HTML5 game framework

The HTML5 Creation Engine

PlayCanvas WebGL Game Engine

Article about concepts of JavaScript Functional

Web Workers: Adding Multi-threading to JavaScript

Breaking down the 'this' keyword in JavaScript

d3

A JavaScript visualization library for HTML and SVG

metrics-graphics

A library optimized for concise, principled data graphics and layouts

three.js

JavaScript 3D library

Chart.js

Simple HTML5 Charts using the <canvas> tag

paper.js

The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas

fabric.js

JavaScript Canvas Library, SVG-to-Canvas (& canvas-to-SVG) Parser

peity

Progressive

raphael

JavaScript Vector Library

echarts

Enterprise Charts

Multiple Libraries for dynamic, browser-based data visualization

two.js

A renderer agnostic two-dimensional drawing api for the web

g.raphael

Charts for Raphaël

sigma.js

A JavaScript library dedicated to graph drawing

arbor

A graph visualization library using web workers and jQuery

cubism

A D3 plugin for visualizing time series

dc.js

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

vega

A visualization grammar

envisionjs

Dynamic HTML5 visualization

rickshaw

JavaScript toolkit for creating interactive real-time graphs

flot

Attractive JavaScript charts for jQuery

morris.js

Pretty time-series line graphs

nvd3

Build re-usable charts and chart components for d3.js

svg.js

A lightweight library for manipulating and animating SVG

heatmap.js

JavaScript Library for HTML5 canvas based heatmaps

jquery.sparkline

A plugin for the jQuery JavaScript library to generate small sparkline charts directly in the browser

trianglify

Low poly style background generator with d3.js

d3-cloud

Create word clouds in JavaScript

d4

A friendly reusable charts DSL for D3

Easy charts for business analytics powered by d3

chartist-js

Simple responsive charts

epoch

A general purpose real-time charting library

c3

D3-based reusable chart library

BabylonJS

A framework for building 3D games with HTML 5 and WebGL

recharts

Redefined chart library built with React and D3

GraphicsJS

A lightweight JavaScript graphics library with the intuitive API, based on SVG/VML technology

mxGraph

Diagramming library that enables interactive graph and charting applications to be quickly created that run natively in any major browser that is supported by its vendor

Frappe Charts

GitHub-inspired simple and modern SVG charts for the web with zero dependencies

Frappe Gantt

A simple, interactive, modern gantt chart library for the web

G2

A highly interactive data-driven visualization grammar for statistical charts

G2Plot

An interactive and responsive charting library. Based on the grammar of graphics

Cytoscape.js

A fully featured graph theory library

library for arranging your HTML5 documents and diagrams using constraint-based optimization techniques

jointjs

Diagramming library to create static diagrams or fully interactive diagramming tools

vizzu

Library for animated data visualizations and data stories

TimelineJS v3

A Storytelling Timeline built in JavaScript

timesheet.js

JavaScript library for simple HTML5 & CSS3 time sheets

HANDSONTABLE

Handsontable is a JavaScript/HTML5 Spreadsheet Library for Developers

Frappe Datatable

Frappe DataTable is a simple, modern and interactive datatable library for displaying tabular data

Luckysheet

Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source

Jspreadsheet CE

Jspreadsheet is a lightweight vanilla javascript plugin to create amazing web-based interactive tables and spreadsheets compatible with other spreadsheet software

RevoGrid

RevoGrid is a fast, responsive excel like data grid library for modern web applications

ace

Ace (Ajax.org Cloud9 Editor)

CodeMirror

In-browser code editor

esprima

ECMAScript parsing infrastructure for multipurpose analysis

quill

A cross browser rich text editor with an API

medium-editor

Medium.com WYSIWYG editor clone

pen

enjoy live editing (+markdown)

jquery-notebook

A simple, clean and elegant text editor. Inspired by the awesomeness of Medium

bootstrap-wysiwyg

Tiny bootstrap-compatible WYSIWYG rich text editor

ckeditor-releases

The best web text editor for everyone

editor

A markdown editor. still on development

EpicEditor

An embeddable JavaScript Markdown editor with split fullscreen editing, live previewing, automatic draft saving, offline support, and more

jsoneditor

A web-based tool to view, edit and format JSON

vim.js

JavaScript port of Vim with a persistent

Squire

HTML5 rich text editor

TinyMCE

The JavaScript Rich Text editor

trix

A rich text editor for everyday writing. By Basecamp

Trumbowyg

A lightweight and amazing WYSIWYG JavaScript editor

Draft.js

A React framework for building text editors

bootstrap-wysihtml5

Simple, beautiful wysiwyg editor

wysihtml5

Open source rich text editor based on HTML5 and the progressive-enhancement approach. Uses a sophisticated security concept and aims to generate fully valid HTML5 markup by preventing unmaintainable tag soups and inline styles

raptor-editor

Raptor, an HTML5 WYSIWYG content editor!

popline

Popline is an HTML5 Rich-Text-Editor Toolbar

Summernote

Super simple WYSIWYG editor

Everright-formEditor

A visual drag-and-drop low-code form editor

is an all-in-one API documentation reader with a fast, organized, and consistent interface

is a quick-and-dirty, hundred-line-long, literate-programming-style documentation generator

generates documentation and style guide documents from your stylesheets

Ronn

builds manuals. It converts simple, human readable textfiles to roff for terminal display, and also to HTML for the web

dox

is a JavaScript documentation generator written with node. Dox no longer generates an opinionated structure or style for your docs, it simply gives you a JSON representation, allowing you to use markdown and JSDoc-style tags

jsdox

is a JSDoc3 to Markdown documentation generator

ESDoc

is a good documentation generator for JavaScript

is a Node.js application that generates API documentation from comments in source, using a syntax similar to tools like Javadoc and Doxygen

is a jsdoc parsing library. Coddoc is different in that it is easily extensible by allowing users to add tag and code parsers through the use of coddoc.addTagHandler and coddoc.addCodeHandler. coddoc also parses source code to be used in APIs

a tool that makes it easy to create intelligent and beautiful documentation

Beautiful docs

is a documentation viewer based on markdown files

API documentation generator with support for ES2015+ and flow annotation

jsduck

API documentation generator made for Sencha JavaScript frameworks, but can be used for other frameworks too

codecrumbs

is a visual tool for learning and documenting a codebase by putting breadcrumbs in source code

Papa Parse

A powerful CSV library that supports parsing CSV files/strings and also exporting to CSV

jBinary

High-level I/O (loading, parsing, manipulating, serializing, saving) for binary files with declarative syntax for describing file types and data structures

diff2html

Git diff output parser and pretty HTML generator

jsPDF

JavaScript PDF generation

PDF.js

PDF Reader in JavaScript

underscore

JavaScript's utility _ belt

lodash

A utility library delivering consistency, customization, performance, & extras

Sugar

A JavaScript library for working with native objects

lazy.js

Like Underscore, but lazier

ramda

A practical functional library for JavaScript programmers

mout

Modular JavaScript Utilities

preludejs

Hardcore Functional Programming for JavaScript

rambda

Faster and smaller alternative to

fxts

Lazy evaluation and concurrency

wild-wild-path

Object property paths with wildcards and regexps

sweet-monads

A utility library containing popular monads and lazy iterators

RxJS

A reactive programming library for JavaScript

Bacon

FRP (functional reactive programming) library for JavaScript

Kefir

FRP library for JavaScript inspired by Bacon.js and RxJS with focus on high performance and low memory consumption

Re-thinking the JavaScript utility belt, Highland manages synchronous and asynchronous code easily, using nothing more than standard JavaScript and Node-like Streams

Most.js

high performance FRP library

MobX

TFRP library for simple, scalable state management

A functional and reactive JavaScript library for cleaner code

concent

Definitely the ❤️ simplest but ⚡️ strongest state management for react, it is predictable、progressive and efficient

immutable-js

Immutable Data Collections including Sequence, Range, Repeat, Map, OrderedMap, Set and a sparse Vector

mori

A library for using ClojureScript's persistent data structures and supporting API from the comfort of vanilla JavaScript

buckets

A complete, fully tested and documented data structure library written in JavaScript

hashmap

Simple hashmap implementation that supports any kind of keys

ngraph.graph

Graph data structure in javascript

js-sdsl

Refer to the javascript standard data structure library implemented by c++ stl, which supports c++ bidirectional iterator mode

moment

Parse, validate, manipulate, and display dates in JavaScript

moment-timezone

Timezone support for moment.js

jquery-timeago

A jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago")

timezone-js

Timezone-enabled JavaScript Date object. Uses Olson zoneinfo files for timezone data

date

Date() for humans

ms.js

Tiny millisecond conversion utility

countdown.js

Super simple countdowns

timeago.js

Simple library (less then 2kb) used to format date with statement

fecha

Lightweight date formatting and parsing (~2KB). Meant to replace parsing and formatting functionality of moment.js

date-fns

Modern JavaScript date utility library

map-countdown

A browser countdown built on top of the Google Maps

dayjs

Day.js 2KB immutable date library alternative to Moment.js with the same modern API

luxon

Luxon is a library for working with dates and times in JavaScript

tempo

Parsing, formatting, and timezones — Tempo is a small tree-shakable library for native Date objects

voca

The ultimate JavaScript string library

selecting

A library that allows you to access the text selected by the user

underscore.string

String manipulation extensions for Underscore.js JavaScript library

string.js

Extra JavaScript string methods

he

A robust HTML entity encoder/decoder written in JavaScript

multiline

Multiline strings in JavaScript

query-string

Parse and stringify URL query strings

URI.js

JavaScript URL mutation library

jsurl

Lightweight URL manipulation with JavaScript

sprintf.js

A sprintf implementation

url-pattern

Easier than regex string matching patterns for urls and other strings. Turn strings into data or data into strings

plexis

Lo-fi, powerful, community-driven string manipulation library

url-state-machine

Super fast spec-compliant URL parser state machine for Node.js

Numeral-js

A JavaScript library for formatting and manipulating numbers

chance.js

Random generator helper in JavaScript. Can generate numbers, strings etc

odometer

Smoothly transitions numbers with ease

accounting.js

A lightweight JavaScript library for number, money and currency formatting - fully localisable, zero dependencies

money.js

A tiny (1kb) JavaScript currency conversion library, for web & nodeJS

Fraction.js

A rational number library for JavaScript

Complex.js

A complex number library for JavaScript

Polynomial.js

A polynomials library for JavaScript

Quaternion.js

A quaternion library for JavaScript

store.js

LocalStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood

localForage

Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API

jStorage

jStorage is a simple key/value database to store data on browser side

cross-storage

Cross domain local storage, with permissions

basket.js

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

bag.js

A caching script and resource loader, similar to basket.js, but with additional k/v interface and localStorage / websql / indexedDB support

basil.js

The missing JavaScript smart persistent layer

jquery-cookie

A simple, lightweight jQuery plugin for reading, writing and deleting cookies

js-cookie

A simple, lightweight JavaScript API for handling browser cookies

Cookies

JavaScript Client-Side Cookie Manipulation Library

DB.js

Promise based IndexDB Wrapper library

lawnchair.js

Simple client-side JSON storage

sql.js

SQLite compiled to JavaScript through Emscripten

pouchdb

Javascript db inspired by Apache CouchDB to run well within the browser

crumbsjs

A lightweight vanilla ES6 cookies and local storage JavaScript library

awesome-web-storage

Everything you need to know about client-side storage

datavore

A small, fast, in-browser database engine written in JavaScript

Hoodie

Offline First backend to work in browser without internet connectivity

NeDB

Embedded Persistent database for Browsers, nw.js, electron

Lovefield is a relational database for web apps, By Google

Dexie.js

Dexie.js is a wrapper library for indexedDB

proxy-web-storage

Keep the type of storage value unchanged and change array and object directly. Supports listening to the changes and setting expires

PostgreSQL Browser

Browser PostgreSQL Playground, no server, just client and pglite (postgresql wasm)

randomColor

A color generator for JavaScript

chroma.js

JavaScript library for all kinds of color manipulations

color

JavaScript color conversion and manipulation library

colors

Smarter defaults for colors on the web

PleaseJS

JavaScript Library for creating random pleasing colors and color schemes

TinyColor

Fast, small color manipulation and conversion for JavaScript

Vibrant.js

Extract prominent colors from an image

i18next

internationalisation (i18n) with JavaScript the easy way

polyglot

tiny i18n helper library

babelfish

i18n with human friendly API and built in plurals support

ttag

Modern javascript i18n localization library based on ES6 tagged templates and the good old GNU gettext

attranslate

A JavaScript-tool for synchronizing translation-files, including JSON/YAML/XML and other formats

async

Async utilities for node and the browser

q

A tool for making and composing asynchronous promises in JavaScript

step

An async control-flow library that makes stepping through logic easy

contra

Asynchronous flow control with a functional taste to it

Bluebird

fully featured promise library with focus on innovative features and performance

when

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

ObjectEventTarget

Provide a prototype that add support to event listeners (with same behavior of EventTarget from DOMElements available on browsers)

sporadic

Composable concurrency abstractions (such as streams, coroutines and Go-like channels) on top of promises, for Node and browser engines

director

A tiny and isomorphic URL router for JavaScript

page.js

Micro client-side router inspired by the Express router (~1200 bytes)

pathjs

Simple, lightweight routing for web browsers

crossroads

JavaScript Routes

davis.js

RESTful degradable JavaScript routing using pushState

navaid

A navigation aid (aka, router) for the browser in 850 bytes~!

DOMPurify

A DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG

js-xss

Sanitize untrusted HTML (to prevent XSS) with a configuration specified by a Whitelist

xss-filters

Secure XSS Filters by Yahoo

sanitize-html

sanitize-html provides a simple HTML sanitizer with a clear API

log

Console.log with style

Conzole

A debug panel built in JavaScript that wraps JavaScript native console object methods and functionality in a panel displayed inside the page

console.log-wrapper

Log to the console in any browser with clarity

loglevel

Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods

– Lightweight client & server-side logging with Stream-API backends

Universal logging library + Chrome extension; it lets you see all client and server tasks triggered by a user action in a single place

Simple logging library with zero dependencies for Deno, Node.js, Bun, browsers, and edge functions

Online regex tester and debugger for JavaScript. Also supports Python, PHP and PCRE

HTML/JS based tool for creating, testing, and learning about Regular Expressions

annyang

A JavaScript library for adding voice commands to your site, using speech recognition

voix.js

A JavaScript library to add voice commands to your sites, apps or games

axios

Promise based HTTP client for the browser and node.js

bottleneck

A powerful rate limiter that makes throttling easy

oauth-signature-js

JavaScript OAuth 1.0a signature generator for node and the browser

amygdala

RESTful HTTP client for JavaScript powered web applications

jquery.rest

A jQuery plugin for easy consumption of RESTful APIs

Rails Ranger

An opinionated REST client for Ruby on Rails APIs

wretch

A tiny wrapper built around fetch with an intuitive syntax

FarFetch

Modern Fetch API wrapper for simplicity, with concise file uploading

Optic

Optic automatically documents and tests your APIs

SWR

React Hooks library for remote data fetching

React Query

Hooks for fetching, caching and updating asynchronous data in React

SWRV

Stale-while-revalidate data fetching for Vue

Vue Query

Hooks for fetching, caching and updating asynchronous data in Vue

Tailor

Streaming layout service for front-end microservices, inspired by Facebook's BigPipe

tracking.js

A modern approach for Computer Vision on the web

ocrad.js

OCR in JavaScript via Emscripten

ConvNetJS

Deep Learning in JavaScript. Train Convolutional Neural Networks (or ordinary ones) in your browser

DN2A

Digital Neural Networks Architecture

Brain.js

Neural networks in JavaScript

Mind.js

A flexible neural network library

Synaptic.js

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

A JavaScript library for training and deploying ML models in the browser and on Node.js

Friendly Machine Learning for the Web

Synapses

Lightweight cross-platform Neural Network library

m2cgen

A CLI tool to transpile trained classic ML models into a native JavaScript code with zero dependencies

JS-PyTorch

GPU accelerated PyTorch in JavaScript

bowser

a browser detector

os.js

An open-source web desktop platform with a window manager, application APIs, GUI toolkit, filesystem abstractions and much more

benchmark.js

A benchmarking library. As used on jsPerf.com

matcha

A caffeine driven, simplistic approach to benchmarking

bencher

A suite of continuous benchmarking tools designed to catch performance regressions in CI

partytown

Relocate resource intensive third-party scripts off of the main thread and into a web worker

comlink

Comlink is a tiny library (1.1kB), that removes the mental barrier of thinking about postMessage and hides the fact that you are working with workers

greenlet

Move an async function into its own thread

workerize

Moves a module into a Web Worker, automatically reflecting exported functions as asynchronous proxies

worker-dom

An in-progress implementation of the DOM API intended to run within a Web Worker

threads.js

Offload CPU-intensive tasks to worker threads in node.js, web browsers and electron using one uniform API

workly

A really simple way to move a function or class to a web worker

stockroom

Offload your store management to a worker easily

workerpool

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

clooney

Clooney is an actor library for the web. Use workers without thinking about workers

Highlight.js

JavaScript syntax highlighter

PrismJS

Lightweight, robust, elegant syntax highlighting

Mprogress.js

Create Google Material Design progress linear bars

Slim progress bars for Ajax'y applications

Spin.js

A spinning activity indicator

progress.js

Create and manage progress bar for every objects on the page

progressbar.js

Beautiful and responsive progress bars with animated SVG paths

pace

Automatically add a progress bar to your site

topbar

Tiny & beautiful site-wide progress indicator

nanobar

Very lightweight progress bars. No jQuery

PageLoadingEffects

Modern ways of revealing new content using SVG animations

SpinKit

A collection of loading indicators animated with CSS

Ladda

Buttons with built-in loading indicators

css-loaders

A collection of loading spinners animated with CSS

Parsley.js

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

jquery-validation

jQuery Validation Plugin

validator.js

String validation and sanitization

validate.js

Lightweight JavaScript form validation library inspired by CodeIgniter

validatr

Cross Browser HTML5 Form Validation

The best jQuery plugin to validate form fields. Formerly BootstrapValidator

is.js

Check types, regexps, presence, time and more

FieldVal

multipurpose validation library. Supports both sync and async validation

Funval

Data validation using functions interfaces (support TypeScript)

vest

🦺 Declarative form validation framework inspired by unit testing

mousetrap

Simple library for handling keyboard shortcuts in JavaScript

keymaster

A simple micro-library for defining and dispatching keyboard shortcuts

Keypress

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

KeyboardJS

A JavaScript library for binding keyboard combos without the pain of key codes and key combo conflicts

jquery.hotkeys

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

jwerty

Awesome handling of keyboard events

intro.js

A better way for new feature introduction and step-by-step users guide for your website and project

shepherd

Guide your users through a tour of your app

bootstrap-tour

Quick and easy product tours with Twitter Bootstrap Popovers

tourist

Simple, flexible tours for your app

hopscotch

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

joyride

jQuery feature tour plugin

focusable

Set a spotlight focus on DOM element adding a overlay layer to the rest of the page

driver.js

Powerful yet light-weight, vanilla JavaScript engine to drive the user's focus across the page

iziToast

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

messenger

Growl-style alerts and messages for your app

noty

jQuery notification plugin

pnotify

JavaScript notifications for Bootstrap, jQuery UI, and the Web Notifications Draft

toastr

Simple JavaScript toast notifications

humane-js

A simple, modern, browser notification system

smoke.js

Framework-agnostic styled alert system for JavaScript

notie

Simple notifications and inputs with no dependencies

notifire

Open-source notification infrastructure for products

toastify-js

Pure JavaScript library for better notification messages

Swiper

Mobile touch slider and framework with hardware accelerated transitions

slick

The last carousel you'll ever need

Is a responsive slideshow plug-in for JQuery(1.7.1+) with features like touch and CSS3 transitions

FlexSlider

An awesome, fully responsive jQuery slider plugin

sly

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

vegas

A jQuery plugin to add beautiful fullscreen backgrounds to your webpages. It even allows Slideshows

Sequence

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

reveal.js

A framework for easily creating beautiful presentations using HTML

impress.js

It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com

bespoke.js

DIY Presentation Micro-Framework

Strut

Strut - An Impress.js and Bespoke.js Presentation Editor

PhotoSwipe

JavaScript image gallery for mobile and desktop, modular, framework independent

jcSlider

A responsive slider jQuery plugin with CSS animations

basic-jquery-slider

Simple to use, simple to theme, simple to customise

jQuery.adaptive-slider

A jQuery plugin for a slider with adaptive colored figcaption and navigation

slidr

add some slide effects

Flickity

Touch, responsive, flickable galleries

Glide.js

Responsive and touch-friendly jQuery slider. It's simple, lightweight and fast

Embla Carousel

An extensible low level carousel for the web, written in TypeScript

Ion.RangeSlider

Powerful and easily customizable range slider with many options and skin support

jQRangeSlider

A JavaScript slider selector that supports dates

noUiSlider

A lightweight, highly customizable range slider without bloat

rangeslider.js

HTML5 input range slider element polyfill

typeahead.js

A fast and fully-featured autocomplete library

tag-it

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

At.js

Add GitHub like mentions autocomplete to your application

Placeholders.js

A JavaScript polyfill for the HTML5 placeholder attribute

fancyInput

Makes typing in input fields fun with CSS3 effects

jQuery-Tags-Input

Magically convert a simple text input into a cool tag list with this jQuery plugin

vanilla-masker

A pure JavaScript mask input

Ion.CheckRadio

jQuery plugin for styling checkboxes and radio-buttons. With skin support

awesomplete

Ultra lightweight, usable, beautiful autocomplete with zero dependencies. -

pickadate.js

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

bootstrap-datepicker

A datepicker for @twitter bootstrap forked from Stefan Petre's (of eyecon.ro), improvements by @eternicode

Pikaday

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

fullcalendar

Full-sized drag & drop event calendar (jQuery plugin)

rome

A customizable date (and time) picker. Dependency free, opt-in UI

Date Range Picker

creates a dropdown menu from which a user can select a range of dates

Duet Date Picker

open source version of Duet Design System’s accessible date picker, WCAG 2.1 accessibility complaint

tui.calendar

A JavaScript schedule calendar that is full featured. Now your service just got the customizable calendar

Schedule-X

Material design event calendar. Features drag & drop, dark mode, multiple views and more

selectize.js

Selectize is the hybrid of a textbox and box. It's jQuery based and it has autocomplete and native-feeling keyboard navigation; useful for tagging, contact lists, etc

select2

a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results

chosen

A library for making long, unwieldy select boxes more friendly

jQuery-File-Upload

File Upload widget with multiple file selection, drag&drop support, progress bar, validation and preview images, audio and video for jQuery

dropzone

Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars

flow.js

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

fine-uploader

Multiple file upload plugin with progress-bar, drag-and-drop, direct-to-S3 uploading

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

plupload

A JavaScript API for dealing with file uploads it supports features like multiple file selection, file type filtering, request chunking, client side image scaling and it uses different runtimes to achieve this such as HTML 5, Silverlight and Flash

filepond

A JavaScript library that can upload anything you throw at it, optimizes images for faster uploads, and offers a great, accessible, silky smooth user experience

form

jQuery Form Plugin

Garlic.js

Automatically persist your forms' text and select field values locally, until the form is submitted

Countable

A JavaScript function to add live paragraph-, word- and character-counting to an HTML element

card

Make your credit card form better in one line of code

stretchy

Form element autosizing, the way it should be

analytics

A lightweight, extendable analytics library designed to work with any third-party analytics provider to track page views, custom events, & identify users

dat.GUI

A lightweight gui controller for changing variables in JavaScript

tipsy

Facebook-style tooltips plugin for jQuery

opentip

An open source JavaScript tooltip based on the prototype framework

qTip2

Pretty powerful tooltips

tooltipster

A jQuery tooltip plugin

simptip

A simple CSS tooltip made with Sass

toolbar

A tooltip style toolbar jQuery plugin

hint.css

A tooltip library in CSS for your lovely websites

Magnific-Popup

Light and responsive lightbox script with focus on performance

jquery-popbox

jQuery PopBox UI Element

jquery.avgrund.js

A jQuery plugin with new modal concept for popups

vex

A modern dialog library which is highly configurable and easy to style

bootstrap-modal

Extends the default Bootstrap Modal class. Responsive, stackable, ajax and more

css-modal

A modal built out of pure CSS

jquery-popup-overlay

jQuery plugin for responsive and accessible modal windows and tooltips

SweetAlert

An awesome replacement for JavaScript's alert

SweetAlert2

An awesome replacement for JavaScript's alert

baguetteBox.js

Simple and easy to use lightbox script written in pure JavaScript

colorbox

A light-weight, customizable lightbox plugin for jQuery

fancyBox

A tool that offers a nice and elegant way to add zooming functionality for images, html content and multi-media on your webpages

swipebox

A touchable jQuery lightbox

jBox

jBox is a powerful and flexible jQuery plugin, taking care of all your popup windows, tooltips, notices and more

lightGallery

A customizable, modular, responsive, lightbox gallery plugin for jQuery

keukenhof

Lightweight, no dependencies, accessibility enabled TypeScript library for creating modal windows

screenfull.js

the JavaScript Fullscreen API, which lets you bring the page or any element into fullscreen. Smoothens out the browser implementation differences, so you don't have to

scrollMonitor

A simple and fast API to monitor elements as you scroll

headroom

Give your pages some headroom. Hide your header until you need it

onepage-scroll

Create an Apple-like one page scroller website (iPhone 5S website) with One Page Scroll plugin

iscroll

iScroll is a high performance, small footprint, dependency free, multi-platform JavaScript scroller

skrollr

Stand-alone parallax scrolling library for mobile (Android + iOS) and desktop. No jQuery

parallax

Parallax Engine that reacts to the orientation of a smart device

stellar.js

Parallax scrolling made easy

plax

jQuery powered parallaxing

jparallax

jQuery plugin for creating interactive parallax effect

fullPage

A simple and easy to use plugin to create fullscreen scrolling websites (also known as single page websites)

ScrollMenu

A new interface to replace old boring scrollbar

Clusterize.js

Tiny vanilla JS plugin to display large data sets easily

simpleParallax

Simple and tiny JavaScript library to add parallax animations on any images

rellax

Buttery smooth, super lightweight, vanilla javascript parallax library

asscroll

A hybrid smooth scroll setup that combines the performance gains of virtual scroll with the reliability of native scroll

stroll

A collection of CSS List scroll effects bind to dom through javascript

locomotive-scroll

Detects the elements in viewport and smooth scrolling with parallax

elevator.js

Finally, a "back to top" button that behaves like a real elevator

jQuery-menu-aim

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

jQuery contextMenu

contextMenu manager

Slideout

A responsive touch slideout navigation menu for mobile web apps

Slide and swipe

A sliding swipe menu that works with touchSwipe library

mmenu

The best jQuery plugin for app look-alike on- and off-canvas menus with sliding submenus for your website and webapp

jTable

A jQuery plugin to create AJAX based CRUD tables

(jQuery plug-in) It is a highly flexible tool, based upon the foundations of progressive enhancement, and will add advanced interaction controls to any HTML table

(jQuery plug-in) An extremely flexible library that create tables with a range of interactive features from any JSON data source or existing HTML table

An Extension to the popular Bootstrap framework for creating tables that fit the style of your site with no need for additional markup

floatThead

(jQuery plug-in) lock any table's header while scrolling within the body. Works on any table and requires no custom html or css

A cascading grid layout library

A grid layout library that uses a bin-packing algorithm. Useable for draggable layouts

A filterable, sortable, grid layout library. Can implement Masonry, Packery, and other layouts

flexboxgrid

Grid based on CSS3 flexbox

UI Kit with lots of themes and elements

A set of jQuery plugins for front-end development of data-driven web applications

fluidity

The worlds smallest fully-responsive css framework

Ink

An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping

DataFormsJS

A minimal JavaScript Framework and standalone components for rapid development of sites and SPA's

EHTML

HTML Framework that allows you not to write JavaScript code

html5-boilerplate

A professional front-end template for building fast, robust, and adaptable web apps or sites

mobile-boilerplate

A front-end template that helps you build fast, modern mobile web apps

webplate

An awesome front-end framework that lets you stay focused on building your site or app while remaining really easy to use

Cerberus

A few simple, but solid patterns for responsive HTML emails. Even in Outlook

full-page-intro-and-navigation

An intro page with a full width background image, a bold animated menu and an iOS-like blurred effect behind the navigation

Fluid-Squares

A fluid grid of square units

Mobile-First-RWD

An example of a mobile-first responsive web design

this-is-responsive

This Is Responsive

Task automation with NPM run-scripts

Wasp

Wasp is a declarative domain-specific language for developing, building, and deploying modern Javascript full-stack web apps with less code

Drift

Easily add "zoom on hover" functionality to your site's images. Lightweight, no-dependency JavaScript

Magnificent.js

Zoom responsively, images & more, w/ jQuery

Panolens.js

Panolens.js is an event-driven and WebGL based panorama viewer. Lightweight and flexible

hammer.js

A JavaScript library for multi-touch gestures

touchemulator

Emulate touch input on your desktop

Dragula

Drag and drop so simple it hurts

Leaflet

JavaScript library for mobile-friendly interactive maps

Cesium

Open Source WebGL virtual globe and map engine

gmaps

The easiest way to use Google Maps

polymaps

A free JavaScript library for making dynamic, interactive maps in modern web browsers

kartograph.js

Open source JavaScript renderer for Kartograph SVG maps

mapbox.js

Mapbox JavaScript API, a Leaflet Plugin

jqvmap

jQuery Vector Map Library

A high-performance, feature-packed library for all your mapping needs

H3js

Hexagonal hierarchical geospatial indexing system ported to javascript by Uber for geospatial visualization

prettyembed.js

Prettier embeds for your YouTubes - with nice options like high-res preview images, advanced customization of embed options, and optional FitVids support

Play-em JS

Play'em is a JavaScript component that manages a music/video track queue and plays a sequence of songs by embedding several players in a HTML DIV including Youtube, Soundcloud and Vimeo

polyplayer

Rule YouTube, Soundcloud and Vimeo player with one API

flowplayer

The HTML5 video player for the web

mediaelement

HTML5

SoundJS

A library to make working with audio on the web easier. It provides a consistent API for playing audio in different browsers

video.js

Video.js - open source HTML5 & Flash video player

FitVids.js

A lightweight, easy-to-use jQuery plugin for fluid width video embeds

Ion.Sound

Simple sounds on any web page

photobooth-js

A widget that allows users to take their avatar pictures on your site

clappr

An extensible media player for the web

ts-audio

an agnostic and easy-to-use library to work with the API

Open Source HTML5 Web Audio Library. Design your web audio player, the way you want. No dependencies required

ractive-player

A library for making interactive videos in React.js

ffmpeg.js

FFmpeg optimized for in-browser use: minimal size for faster loading, asm.js, performance tunings, etc

flv.js

An HTML5 Flash Video (FLV) Player written in pure JavaScript without Flash

hls.js

A JavaScript library that implements an HTTP Live Streaming client. It relies on HTML5 video and MediaSource Extensions for playback

FlowType.JS

Web typography at its finest: font-size and line-height based on element width

BigText

jQuery plugin, calculates the font-size and word-spacing needed to match a line of text to a specific width

circletype

A jQuery plugin that lets you curve type on the web

slabText

A jQuery plugin for producing big, bold & responsive headlines

simple-text-rotator

Add a super simple rotating text to your website with little to no markup

novacancy.js

Text Neon Golden effect jQuery plug-in

jquery-responsive-text

Make your text sizing responsive!

FitText.js

A jQuery plugin for inflating web type

Lettering.js

A lightweight, easy to use JavaScript injector for radical Web Typography

velocity

Accelerated JavaScript animation

jquery.transit

Super-smooth CSS3 transformations and transitions for jQuery

bounce.js

Create tasty CSS3 powered animations in no time

GreenSock-JS

High-performance HTML5 animations that work in all major browsers

TransitionEnd

TransitionEnd is an agnostic and cross-browser library to work with transitioned event

Dynamic.js

JavaScript library to create physics-based CSS animations

the-cube

The Cube is an experiment with CSS3 transitions

Effeckt.css

A Performant Transitions and Animations Library

animate.css

A cross-browser library of CSS animations. As easy to use as an easy thing

textillate

A simple plugin for CSS3 text animations

move.js

CSS3 backed JavaScript animation framework

animatable

One property, two values, endless possibilities

shuffle-images

The Simplest Way to shuffle through images in a Creative Way

smoothState.js

Unobtrusive page transitions with jQuery

A JavaScript animation engine

Motion graphics toolbelt for the web

particles.js

A lightweight JavaScript library for creating particles

tsParticles

A new and improved version of particles.js with bug fixes and many new features

particles-bg

A lightweight React particles animation background component

barbajs

It helps you create fluid and smooth transitions between your website's pages

typicaljs

Animated typing in ~400 bytes 🐡 of JavaScript

Add motion to your apps with a single line of code

lena.js

A Library for image processing with filters and util functions

pica

High quality image resize (with fast Lanczos filter, implemented in pure JS)

cropper

A simple jQuery image cropping plugin

es6features

Overview of ECMAScript 6 features

es6-features

ECMAScript 6: Feature Overview & Comparison

es6-cheatsheet

ES2015 [ES6] cheatsheet containing tips, tricks, best practices and code snippets

Compatibility tables for all ECMAScript 6 features on a variety of environments

Babel (Formerly 6to5)

Turn ES6+ code into vanilla ES5 with no runtime

Traceur compiler

ES6 features > ES5. Includes classes, generators, promises, destructuring patterns, default parameters & more

Gatsby.js

React-based static site generator

Gridsome

Vue-powered static site generator

Docusaurus

React-based static site generator by Facebook, ideal for content-centric websites

Next.js

React powered static site generator, and they say "All the tools you need to make the Web. Faster."

Lume

Static site generator for Deno

javascript-sdk-design

JavaScript SDK design guide extracted from work and personal experience

Spotify SDK

Entity oriented SDK to work with the Spotify Web API

Square Node.js SDK

JavaScript client library for payments and other Square APIs

lunr

Library for use in the browser and It indexes JSON documents and provides a simple search interface for retrieving documents that best match text queries

flexsearch

It is a Next-Generation full text search library for Browser and Node.js

Elasticlunr

This library is based on lunr.js, but more flexible and customized

echo

Lazy-loading images with data-* attributes

picturefill

A responsive image polyfill for <picture>, srcset, sizes

platform.js

A platform detection library that works on nearly all JavaScript platforms

json3

A modern JSON implementation compatible with nearly all JavaScript platforms

A game about JavaScript specificities

BitSet.js

A JavaScript Bit-Vector implementation

spoiler-alert

SPOILER ALERT! A happy little jquery plugin to hide spoilers on your site

jquery.vibrate.js

Vibration API Wrappers

list.js

Adds search, sort, filters and flexibility to tables, lists and various HTML elements. Built to be invisible and work on existing HTML

mixitup

MixItUp - A Filter & Sort Plugin

grid

Drag and drop library for two-dimensional, resizable and responsive lists

jquery-match-height

a responsive equal heights plugin for jQuery

SurveyJS

SurveyJS is a JavaScript Survey and Form Library

Array Explorer

and - Resources to help figure out what native JavaScript method would be best to use at any given time

"Copy to clipboard" without Flash or use of Frameworks

ky

Tiny and elegant HTTP client based on the browser Fetch API

Fcal

Math expression evaluator

emoji-button

Vanilla JavaScript emoji picker component

iooxa

Components for interactive scientific writing, reactive documents and explorable explanations

Idyll

Create explorable explanations and interactive storytelling essays. Can be

javascript-algorithms

Algorithms and data structures implemented in JavaScript with explanations and links to further readings

FingerprintJS

Makes a visitor identifier from a browser fingerprint that stays the same in incognito mode and when browser data is purged

Peg.js

A simple parser generator for JavaScript that produces fast parsers with excellent error reporting. Usable from your browser, from the command line, or via JavaScript API

lune

Library to calculate the phases of the moon accurately

jsemu

A list of emulators written in the JavaScript programming language

You Don't Know JS

Possibly the best book written on modern JavaScript, completely readable online for free, or can be bought to support the author

braziljs/js-the-right-way

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

JSbooks

Directory of free JavaScript ebooks

A collection of resources about creating, testing and maintaining a large JavaScript code base

SJSJ

Simplified JavaScript Jargon is a community-driven attempt at explaining the loads of buzzwords making the current JavaScript ecosystem in a few simple words

How to Write an Open Source JavaScript Library

A comprehensive guide through a set of steps to publish a JavaScript open source library

Learn Javascript online from a diverse range of user ranked online tutorials

Functional-Light JavaScript

Pragmatic, balanced FP in JavaScript

Clean Code JavaScript

Clean Code concepts adapted for JavaScript

Learn JavaScript from a community sourced learning roadmap