spzoom is a jQuery plugin to create simple hover image zoom. There are some options to custiomize width, height, position, margin of the zoom display area.
jfMagnify is a jQuery plugin that creates a magnify glass effect. This plugin will magnify html content, not just images.
ZooMove is a jQuery plugin that allows to dynamically zoom images with mouseover, and view details with mouse move.
Zoomify is a jQuery plugin for simple lightboxes with zoom effect.
Image Viewer is a zooming and panning plugin inspired by Google Photos for your web images.
MagnifierRentgen is a simple, lightweight, responsive magnifier hover plugin. (magnifying glass effect)
Viewer is a simple jQuery image viewing plugin.
Simple Image Panner is a free jQuery plugin that lets you pan and zoom in on large images that are confined inside smaller containers
Zoom Slider is a simple content slider with depth-like zoom functionality.
Each slide has a predefined zoom area that will be used to calculate the appropriate scale value for a fullscreen fill. Once the icon for zooming is clicked, the zoom area as well as the page get scaled, creating the illusion that the viewer is approaching the item
zoomwall.js is a content-focused photo gallery using a horizontal masonry layout that scales up in lightbox mode.