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.
yarn - Fast, reliable, and secure dependency management.
pnpm - Fast, disk space efficient package manager.
Component Management
Bit - Create, find and reuse components (React, Angular, Node etc.) across applications.
Loaders
Module or loading system for JavaScript.
RequireJS - A file and module loader for JavaScript.
browserify - Browser-side require() the node.js way.
vue - Intuitive, fast & composable MVVM for building interactive interfaces.
svelte - Svelte is a new way to build web applications. Itās 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.
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. Itās fast!
Whatsup - A frontend framework for chillout-mode development š„¤. JSX components on generators, fast mobx-like state management and exclusive cssx style system.
Remult - A CRUD framework for full-stack TypeScript.
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.
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.
cola.js - 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.
Spreadsheet
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.
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 ~/.vimrc.
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.
DevDocs is an all-in-one API documentation reader with a fast, organized, and consistent interface.
docco is a quick-and-dirty, hundred-line-long, literate-programming-style documentation generator.
styledocco 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.
YUIDoc is a Node.js application that generates API documentation from comments in source, using a syntax similar to tools like Javadoc and Doxygen.
coddoc 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.
sphinx a tool that makes it easy to create intelligent and beautiful documentation
Beautiful docs is a documentation viewer based on markdown files.
documentation.js - 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.
Files
Libraries for working with files.
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.
wild-wild-path - Object property paths with wildcards and regexps.
sweet-monads - A utility library containing popular monads and lazy iterators.
Reactive Programming
Reactive programming libraries to extend JavaScriptās capabilities.
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.
Highland - Re-thinking the JavaScript utility belt, Highland manages synchronous and asynchronous code easily, using nothing more than standard JavaScript and Node-like Streams.
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.
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 - 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)
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.
Routing
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.
Conzole - A debug panel built in JavaScript that wraps JavaScript native console object methods and functionality in a panel displayed inside the page.
os.js - An open-source web desktop platform with a window manager, application APIs, GUI toolkit, filesystem abstractions and much more.
Benchmark
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.
Web Worker
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.
slidesJs - 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 - Itās a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com.
Ion.CheckRadio - jQuery plugin for styling checkboxes and radio-buttons. With skin support.
awesomplete - Ultra lightweight, usable, beautiful autocomplete with zero dependencies. - https://projects.verou.me/awesomplete/
Calendar
pickadate.js - The mobile-friendly, responsive, and lightweight jQuery date & time input picker.
bootstrap-datepicker - A datepicker for @twitter bootstrap forked from Stefan Petreās (of eyecon.ro), improvements by @eternicode.
Pikaday - A refreshing JavaScript Datepicker ā 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 Systemās 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.
Select
selectize.js - Selectize is the hybrid of a textbox and <select> box. Itās 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.
File Uploader
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 dragānādrop 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.
FileAPI - A set of JavaScript tools for working with files. Multiupload, dragānādrop 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.
Garlic.js - Automatically persist your formsā 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.
Tips
tipsy - Facebook-style tooltips plugin for jQuery.
opentip - An open source JavaScript tooltip based on the prototype framework.
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 donāt have to.
Scroll
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.
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 āback to topā button that behaves like a real elevator.
Menu
jQuery-menu-aim - jQuery plugin to fire events when userās cursor aims at particular dropdown menu items. For making responsive mega dropdowns like Amazonās.
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.
Table/Grid
jTable - A jQuery plugin to create AJAX based CRUD tables.
DataTables - (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.
Tabulator - (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.
Bootstrap 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 tableās header while scrolling within the body. Works on any table and requires no custom html or css.
Semantic UI - UI Kit with lots of themes and elements.
w2ui - 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 SPAās.
EHTML - HTML Framework that allows you not to write JavaScript code.
Boilerplates
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.
OpenLayers3 - 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.
Video/Audio
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 - Playāem 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.
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.
Full Text Search
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.
Misc
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.
list.js - Adds search, sort, filters and flexibility to tables, lists and various HTML elements. Built to be invisible and work on existing HTML.
https://listjs.com
iooxa - Components for interactive scientific writing, reactive documents and explorable explanations.
Idyll - Create explorable explanations and interactive storytelling essays. Can be embedded in HTML .
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.
Worth Reading
You Donāt 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.
Superhero.js - 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.