A lightbox library for photos and videos, last released in 2014.

Marked

A fast, lightweight, low-level markdown parser and compiler.

HLS.js

A JavaScript library that implements an HTTP Live Streaming client, using HTML5 video and MediaSource extensions.

Barba.js

A lightweight library to make websites run like a SPA by creating smooth transitions between pages.

YUI

A legacy, open-source JavaScript and CSS library for building interactive web applications with a focus on modular architecture and cross-browser consistency.

Green Popups

A commercial popup system with a drag-and-drop popup builder, 20+ popup elements, 200+ professionally designed templates, available as a WordPress plugin or standalone script.

An elegant, responsive and lightweight notification plugin with no dependencies.

Partytown

A lazy-loaded library to help relocate resource intensive scripts into a web worker, and off of the main thread.

SheetJS

A JavaScript library for reading and writing data from spreadsheets.

URI.js

A JavaScript library for manipulating URLs.

Lit

An open-source JavaScript library for building fast and lightweight web components, developed as the successor to Google's Polymer project.

Spry

A deprecated JavaScript framework by Adobe that enables the rapid development of Ajax-powered web pages.

Vuex

An open-source state management library for Vue.js.

UAParser.js

A JavaScript library to detect the user's browser, engine, OS, CPU, and device type/model.

Ouibounce

A small library enabling you to display a modal before a user leaves your website.

Intro.js

A lightweight open-source JavaScript library for creating step-by-step onboarding tours in web applications.

Auth.js

An open-source authentication solution that integrates with Next.js, Nuxt, Qwik, and other modern JavaScript frameworks to handle user sign-in, session management, and access control.

Flowplayer

A commercial video player and delivery platform for on-demand, live, and simulated live streaming.

A small full-text search JavaScript library for use in the browser.

Hyperscript

A scripting language that allows developers to respond to events and perform simple DOM manipulation in code embedded directly in HTML elements.

Apollo

A flexible, fully-featured caching GraphQL client for every platform.

Canvas Confetti

A performant confetti animation library for the browser.

Prefix-free

A legacy script that adds browser prefixes to CSS code when needed for old browsers.

PixiJS

A rendering library with WebGPU/WebGL support for creating rich, interactive graphics and cross-platform applications and games.

A paid script that turns any content into a cool parallax effect.