p5.js

An open-source JavaScript library for creating interactive 2D and 3D graphics and visualizations.

Babylon.js

A full-featured 3D game and rendering engine built on the WebGL platform.

Rive

A real-time interactive design and animation tool that helps teams create, run, and integrate interactive animations on any platform using open-source runtimes.

MobX

A signal based library that makes state management simple and scalable by transparently applying functional reactive programming.

XRegExp

Provides augmented and extensible JavaScript regular expressions.

Riot

A lightweight, component-based user interface library that uses custom tags to create reactive user interfaces, functioning as a minimalist alternative to larger frameworks like React or Vue.

Unpoly

A JavaScript framework that uses custom HTML attributes to build single-page application interfaces using server-rendered HTML.

An open-source JavaScript tooltip library with different styles, all kinds of triggers and CSS3 animations.

Mo.js

An open-source, retina-ready, modular JavaScript motion graphics library.

Framer Motion

A simple yet powerful motion library for React.

A responsive and customizable lightbox library.

Dash.js

A JavaScript player library for the playback of MPEG-DASH.

AG Grid

A full-featured and customizable JavaScript data grid with no dependencies, designed for displaying and editing large datasets in web applications.

RxJS

A library for reactive programming of asynchronous and event-driven applications using observable sequences.

Toast UI

An open-source JavaScript UI library that consists of a markdown editor, image editor, powerful chart, grid, calendar and other components.

Ramda

A functional programming library for JavaScript.

Vanta.js

A script that allows you to add animated 3D backgrounds to any webpage with just a few lines of code.

LocalForage

An offline storage library that provides a unified API for IndexedDB, WebSQL, and localStorage.

Two.js

A two-dimensional drawing library with the the same API for SVG, canvas, and WebGL.

MediumEditor

An open-source WYSIWYG text editor inspired by the inline toolbar used on the Medium.com publishing platform.

Vime

A customizable, extensible, accessible and framework-agnostic media player, the predecessor of Vidstack.

SoundJS

A library for working with audio that provides a consistent API for loading and playing audio on different browsers and devices.

Intercooler.js

A small jQuery- or Zepto.js-based library, the predecessor of Htmx, which allows developers to add AJAX to web applications using HTML attributes.

Dragula

A drag and drop library with touch events and no dependencies.

Flexsearch

A full-text search JavaScript library focused on search speed and memory efficiency.