GrayStud.io

Easy Glossary plugin helps you create a glossary of terms and definitions, automatically link terms in your content, display optional tooltips, and render an A–Z index. It includes a Settings page to customize behavior.

Easy Glossary

A lightweight, flexible glossary plugin that auto-links terms, shows tooltips, and provides an index shortcode.

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.

Easy Glossary vs WP Easy Tooltips