Minimalist Fullscreen Image Viewer/Lightbox In JavaScript – IMG-BOX
IMG-BOX is a dead simple JavaScript plugin to display your image in a fullscreen lightbox popup.
Modal & Popup
Beautiful Native Javascript Alert Replacement – Sweet Alert
Sweet Alert is a pretty and highly customizable JS modal dialog library to replace the native Javascript alert, confirm and prompt dialogs.
Minimal Lightbox Gallery In Pure JavaScript
A minimal, native JavaScript lightbox gallery to display all your images in a lightbox popup where the users are able to navigate through images with arrows.
Mobile-friendly Modal Window In Pure CSS – modal_box
Just another CSS library that makes it easier to create modal windows for both desktop and mobile devices.
CSS Only Static Modal Window
Yet another CSS solution to creating Bootstrap style modal windows that load content from inline html.
Powerful Dialog & Popup JavaScript Library – dndod
dndod is a dependency-free JavaScript library that helps you create flexible, customizable alert/confirm dialogs, notification popups, and modal windows.
Fancy Folding Modal Popup With JavaScript And CSS
A fancy modal popup that comes with a fancy folding animation effect based on SVG, CSS/CSS3, and GSAP JavaScript animation library.
Responsive Slideshow Modal With Vanilla JavaScript – vShowBox
vShowBox is a vanilla JavaScript plugin that helps you create and display your image slideshow in a responsive lightbox popup.
Mobile-first Dialog Popup JavaScript Library – mcx-dialog-mobile
mcx-dialog-mobile is a pure JavaScript plugin to create mobile-first, iOS-inspired dialog popups (alert/confirm dialog, action sheet, loading spinner, toast notification) on your web app.
Simple Elegant Modal Popup With JavaScript
A simple, elegant modal popup built with JavaScript and animated with CSS3 transitions & transforms.