Fullscreen Popup Layer with JavaScript and CSS3 – popup_view
popup_view is a pure JavaScript library for creating a fullscreen popup layer that uses CSS3 transitions and transforms for subtle open / close animations.
Modal & Popup
Minimal Modal Web Component (Custom Element)
A minimal reusable modal web component written in JavaScript.
Create Custom Browser Popup Window With JavaScript – popup_window.js
A JavaScript library for creating, opening, and closing browser popup windows programmatically.
Handy Modal Window Library – Modal.js
A pretty simple, and developer-friendly modal window written in pure JavaScript and CSS/CSS3.
Minimal Modal Window JavaScript Class
A JavaScript library that exposes a class to create modal windows with ease.
Easy & Robust Modal JavaScript Library – EinsModal
An easy yet robust and customizable modal window library built with vanilla JavaScript library.
Minimal Alert Popup JavaScript Library – Ago-Popup.js
A minimal clean alert popup library for vanilla JavaScript.
No Script Modal Window
A JavaScript-free modal window built using CSS and HTML detail element.
Beautiful Dialog Box Library Inspired By Material Design – SoloAlert
A JavaScript library for creating responsive, beautiful popup boxes (like alert, confirm, and prompt dialog boxes) as seen on Google Android (Material Design).
CSS Only Popup Panel
An elegant popup panel component with a scale animation, written in CSS and details summary elements.