Andrea Porotti

Using this plugin you can attach notes to some elements in the WordPress dashboard, such as:
<ul>
<li>posts</li>
<li>pages</li>
<li>custom post types from other plugins (except the notes from this plugin)</li>
<li>users</li>
<li>plugins</li>
<li>dashboard sections</li>
<li>the whole dashboard</li>
</ul>
It can be helpfull if you manage a site with other people or just to take notes for yourself.
Features
<ul>
<li>manage notes like the standard posts by opening the Notes page from the admin menu.</li>
<li>while editing a note, use the meta box on the right to set note properties (position, color,…)</li>
<li>manage section and global notes from the admin bar.</li>
<li>manage item notes (eg. posts and pages) from the custom column in the admin pages.</li>
<li>get notes details by hovering the mouse on the “Info” links or clicking on the “I” icons.</li>
<li>add text, images and links in the note content.</li>
<li>deleted notes go to the trash, so they can be restored.</li>
<li>automatically discovers custom post types added by other plugins (eg. events, books…).</li>
<li>creates a list of the dashboard sections based on the admin menu items.</li>
</ul>
Configuration
Settings for the plugin are available on the Settings -> JAMP Notes page.
Please note:
<ul>
<li>by default the plugin data is kept after uninstall. You can choose to delete notes and settings enabling the data removal option.</li>
<li>after activation, the plugin enables notes for all the existing public post types. If you then install other plugins which create new post types, you have to manually enable them in the JAMP settings.</li>
</ul>
Permissions
The notes are currently available only for the users with the “Administrator” role. 
Each Administrator can manage all notes.
Support
If you find any errors or compatibility issues with other plugins, please let me know in the support forum. Thanks!
Privacy
This plugin does not collect or store any user data. It does not set any cookies and it does not connect to any third-party services.

JAMP Notes (Just Another Memo Plugin)

This plugin allows you to attach notes to some WordPress elements like posts, pages, dashboard sections and more.

Tomas

Plugin Name: Announcements
👉 <a href="https://tooltips.org/product/announcements/" rel="nofollow ugc">Free Download</a> | <a href="https://tooltips.org/wordpress-tooltip-plugin/announcements/" rel="nofollow ugc">Announcements Document</a> | <a href="https://tooltips.org/contact-us/" rel="nofollow ugc">404s Support</a>| <a href="https://tooltips.org/forums" rel="nofollow ugc">Support Forums</a>
Announcements is a simple & easy-to-use solution that help you to show / edit / add / delete announcements in your admin area, if user logged in your admin area, they will see all announcements first, 
if logged in users do not accept your announcements, they can not open any menu or links in your wordpress back end, the only page they can view is your announcements in back end. This plugin can help you show TOS or Notes for any users when they logged in your back end
In Announcements setting panel, you will add title, message in Announcement Message Editor, also there are options that allow users view an announcement and do not need to access the agreement, and still can open admin menu or links, all these announcements will be stored 
in Announcements menu, if users open announcements menu, they will find any messages / notes you sent to them.
Announcements setting panel, you can add / edit / delete any announcements very easy.
More amazing features are being developed and any feature request is welcome.
Feature request & Support URI: https://tooltips.org/forums 
<h3>Download</h3>
https://wordpress.org/extend/plugins/announcements/

Announcements

When users logged in admin area, they will see announcements first,  if users  did not accept announcements, they can not open any menu in back end.

JAMP Notes (Just Another Memo Plugin) vs Announcements