umapathieitb

This plugin allows you to easily reorder your WordPress posts by dragging and dropping them in the admin “All Posts” list. 
It updates each post’s <code>menu_order</code> value and can optionally modify front-end queries so that posts are displayed in the same order you set.
<h3>Features</h3>
<ul>
<li>Adds a “Reorder” column with a drag handle in the Posts list.</li>
<li>Supports drag and drop reordering directly in the WordPress admin.</li>
<li>Saves order instantly via AJAX.</li>
<li>Optionally changes front-end queries to order by <code>menu_order</code> instead of date.</li>
<li>Lightweight, no external dependencies.</li>
</ul>

Elephant Post Order

Reorder your WordPress posts with a simple drag & drop interface in the admin panel

kodeala

Reorder Multisite Sites Dropdown gives WordPress Multisite administrators a powerful tool to organize the My Sites dropdown in the WordPress Admin Bar. With this plugin, you can customize how sites appear in the admin bar so they are easier to find and better organized for your workflow. It is especially useful for WordPress Multisite networks with many sites where the default alphabetical ordering becomes difficult to manage, enhancing the existing WordPress multisite admin bar experience without modifying WordPress core functionality.
With this plugin, you can:
<ul>
<li>Reorder sites in the My Sites dropdown using drag-and-drop.</li>
<li>Manually set ordering using number input fields for quick repositioning.</li>
<li>Create groups to organize related sites together.</li>
<li>Add divider lines to visually separate sections.</li>
<li>Nest sites inside groups for better structure.</li>
</ul>
The ordering interface is available in the Network Admin under Settings > Reorder My Sites

Reorder Multisite Sites Dropdown

Adds advanced ordering controls to the WordPress Multisite My Sites admin bar dropdown, allowing administrators to organize sites with drag-and-drop,  …

Elephant Post Order vs Reorder Multisite Sites Dropdown