Sovit Tamrakar

World Flag is WordPress Flag Plugin which will ease the writer/authors to add flags to posts or pages with shortcode.
Tinymce Editor button has been added to ease the usage of plugin with few clicks of button.

World Flag

World Flag - Country Flag using shortcode.

nosoycesaros

A WordPress plugin designed to mark posts by logged in users. Allows theme developers and administrators create and edit post flags, like favorites, seen, likes, etc, also provides an easy way to put this flags in your theme via shortcode.
Features:
<ul>
<li>Administrators can create flags like ‘Favorites’, ‘Seen’ or ‘Bookmark’ for early use</li>
<li>You can create as many flags as you want</li>
<li>Allows customization of HTML code for each flag</li>
<li>Insert in themes and post via <code>[shortcode]</code></li>
<li>This plugin creates favorite flag and button by default</li>
</ul>

Post Flagger

Add Favorite or any flag button to your posts. The easy way

World Flag vs Post Flagger