img-lightbox is a lightweight and simple-to-use JavaScript lightbox library to display the large version of your image in a responsive modal popup with CSS3 powered fadeIn and fadeOut animations.
HesGallery is a lightweight, responsive, mobile-friendly JavaScript photo gallery & image lightbox plugin for lifestyle, portfolio, travel, fashion, art, photography and any other kind of amazing websites and blogs.
Lightense.js is a lightweight and simple to use JavaScript library for image zooming as you seen on Medium.com.
Ovrly is a lightweight, CSS-less JavaScript lightbox library used to display images in a responsive modal popup.
medium-zoom is a JavaScript library used for creating a responsive, user-friendly image zoom / lightbox effect as seen on Medium.com pages.
Lightbox V is a zero-dependency JavaScript image gallery & lightbox plugin that works with single and grouped images.
The Lightbox.js JavaScript library allows media content (images, text, Youtube/Vimeo videos, etc) to be displayed in an elegant modal dialog.
imgLightbox.js is a dead simple JavaScript lightbox library which overlays images on top of the current page.
Modal.js is a lightweight vanilla JavaScript plugin to create any content modal windows just like the fancyBox does.
BigPicture.js is a lightweight image & video viewer/lightbox built in pure javaScript. Supports local/remote images and Youtube/Vimeo/HTML5 videos.