oneline

A Simple plugin which adds a widget to your wordpress admin widget area which you can then assign to the side bar etc… features are as follows:
Allows you to set your user / social ID’s 
Allows you to switch from icons or text links 
Allows you to turn social button / links on or off
Supported Social Sites:
Facebook 
Twitter 
Linkedin 
RSS

Easy Social Share

A Simple plugin which adds a widget to your wordpress admin widget area which you can then assign to the side bar etc...

themewant

Easy Bookmark allows users to save posts or pages as bookmarks on your WP site. They can then access these bookmarked posts via a dedicated page or widget.
The plugin is ideal for users who want to save articles, blog posts, or products and revisit them later without needing to search again.
<h3>Features</h3>
<ul>
<li>Users can bookmark any post or page with a single click.</li>
<li>Bookmark management with add/remove bookmark functionality.</li>
<li>Display bookmarked posts in a widget or on a custom page.</li>
<li>Simple shortcode to show the bookmark counter.</li>
<li>Compatible with any theme.</li>
<li>Works seamlessly with custom post types.</li>
<li>Fully responsive and user-friendly.</li>
</ul>

Easy Bookmark

The Easy Bookmark Plugin provides a bookmark solution for WP websites. Users can bookmark posts and view them anytime.

Easy Social Share vs Easy Bookmark