billizzard

It allows you to easily and easily create tooltips for words, phrases and in general for any content. 
The contents of the tips limits only your imagination. The appearance of the tips is very easy to customize as you need. 
The plugin is easier to use and more efficient than its counterparts. Requires at least ACF plugin 5.7.
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/KwczeKdV2bs?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>

NnSmartTooltip

 Very simple to use. Without shortcodes or anything else.

Great plugin

Allows you to simply create tips with any content and any styles.

Alex

Beautiful design of notes in posts. The plugin fully supports the old version of the WP-Note plugin from Luke.

WP-Note 2019

Beautiful design of notes in posts. The plugin fully supports the old version of the WP-Note plugin from Luke.

NnSmartTooltip vs WP-Note 2019