Basic Image Lightbox In Pure JavaScript – maxbox
maxbox is a small, standalone JS library that displays large images in a responsive, modal-style popup window.
Modal & Popup
Responsive Explosive Modal In Pure CSS – Explodal
The Explodal lets you create a responsive, pretty cool modal window with an explosion effect using pure CSS.
Small JavaScript Alert & Confirm Dialog Replacement – Custom Alert
custom-alert is a lightweight JavaScript alternative to default alert() and confirm() dialog boxes that make them easy to customize via CSS and JavaScript.
Tiny HTML5 Modal Popup In Vanilla JavaScript – Modal.js
Just another JavaScript library for creating modal popups that are fully controllable via HTML5 data attributes.
Bottom Sliding Modal Window With Vanilla JavaScript – Mohill
Mohill is a vanilla JavaScript plugin to create a modal window sliding from the bottom of the screen when triggered.
Pretty Simple Modal Dialog In Pure JavaScript – tiModal
tiModal is a really simple JavaScript library for creating modal windows and alert/confirm/prompt dialog boxes on the webpage.
Pretty Simple Modal Window In Pure CSS
A dead simple CSS library which lets you create modal windows using pure CSS/CSS3.
Pretty Simple Modal Window In Vanilla JavaScript – modalzinha.js
modalzinha.js is a minimal (less than 1kb) vanilla JS plugin for building a responsive modal window to present your inline content within the document.
Easy Image Lightbox With Slider Integration – Lightbox.js
Lightbox.js is a dependency-free JavaScript lightbox library which provides you an elegant way to view large images.
Lightweight Responsive Image Gallery & Lightbox Library – saga-gallery
Yet another JavaScript library used for showcasing your images in a lightbox-style gallery popup where the users are able to navigate between images through arrow and keyboard navigation.