Thomas

Really simple plugin that allows you to easily add tooltips to your posts using the shortcode [wpetp].
It was made for some simple tooltips with text and/or images. For example if you want a way to add some information about a word in your post without forcing the user to leave the page to see them.
Feel free to ask for some features if you think I missed some.
Languages: English.

WP Easy Tooltips

Simple plugin that allows you to easily add tooltips to your posts using a shortcode.

vinaysankhyan

iWR tooltip plugin lets you add tooltips to your post or page or in your template file via a shortcode 
[iwrtooltip title=”this will show in a tooltip”]hover over me to see tooltip[/iwrtooltip] or via a HTML Tag 
<a class=”normalTip” title=”this will show in a tooltip” href=”#”>hover over me to see tooltip</a>

iWR Tooltip

iWR tooltip plugin lets you add tooltips to your post or page or in your template files.

WP Easy Tooltips vs iWR Tooltip