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.
ZooMove is a jQuery plugin that allows to dynamically zoom images with mouseover, and view details with mouse move.
Simple Image Panner is a free jQuery plugin that lets you pan and zoom in on large images that are confined inside smaller containers
Featured Image Zoomer lets you view a magnified portion of any image upon moving your mouse over it.
A magnifying area appears alongside the image displaying the magnified image on demand. The user can toggle the zoom level by using the mousewheel.
Zoom.js is jQuery plugin for image zoom. It's the best way to zoom an image. It transition/zooms in really cleanly..
jQuery.imageView is a jQuery plugin that can help you to make image viewing with zoom.
Smoothproducts is a simple, lightweight and responsive product image viewer using jQuery.
EasyZoom is an elegant, highly optimised jQuery image zoom and panning plugin supports touch-enabled devices and is easily customisable with CSS.
Ion.Zoom is an easy image lightbox jQuery plugin for small galleries. Allow to zoom images at place. Also supprort keyboard controls with ESC, LEFT and RIGHT button. Supports multiple independently operating galleries in one page. Works on touch screen devices (iPhone, iPad, etc.).
SergeLand Image Zoomer is free jQuery image zoom plugin the magnifying glass effect.
Snipe is a jQuery plugin to add a sniper-lens-style zoom on images. Snipe makes zoom effect over images that follows the mouse.
Nivo Zoom is a lightweight and simple image zooming jQuery plugin. This plugin support for 5 different zoom types and allow us to add HTML caption.