Philip Newcomer

This plugin simply packages the <a href="https://github.com/stowball/jQuery-rwdImageMaps" rel="nofollow ugc">RWD Image Maps</a> jQuery plugin for use in WordPress, providing an easy way to make image maps responsive in a WordPress theme.
This plugin is licensed under the GPLv2, and the jQuery plugin is licensed under the MIT license.
<h3>Javascript Warning</h3>
It goes without saying, but the RWD Image Maps jQuery plugin requires javascript to be enabled in the user’s browser for it to work its magic.
<h3>Need Help?</h3>
If you have questions or problems with the RWD Image Maps jQuery plugin itself (not the WordPress wrapper for it), go to the <a href="https://github.com/stowball/jQuery-rwdImageMaps" rel="nofollow ugc">jQuery RWD Image Maps plugin page</a> on GitHub.

Responsive Image Maps

Makes image maps responsive by packaging the RWD Image Maps jQuery plugin for use in WordPress.

Tarmo Toikkanen

Spike

ImageMapper is a WordPress plugin designed to add interactivity in images in posts. The plugin was originally designed for web comics, but with its good customization options it can be used for adding interactivity to any kind of images.
Redirecting user to a different page when clicking certain character in a web comic? Displaying a person’s name and home page link in a group photo when mouse is hovering over them? Showing additional info and notes in a large graphs? Possible.
Based on the ImageMapster jQuery plugin. <a href="http://www.outsharked.com/imagemapster/" rel="nofollow ugc">ImageMapster homepage</a>.
The map of Finland in the banner image is provided by National Land Survey of Finland.
Instructions for use are found in Installation page.
About support: This plugin was built during a project that has ended in 2013. Further development resources are very limited. If you need something fixed, most likely you’ll need to fix it yourself. However, any patches are welcome and can be added to the main code base. If someone wants to become a co-author on this plugin, let us know.

ImageMapper

Create interactive and visual image maps with a visual editor.

Responsive Image Maps vs ImageMapper