conlabz GmbH

With the WP Bookmarks Plugin by conlabz you can bookmark your favorite websites within WordPress. It adds a custom post type called ‘bookmark’, so you can easily manage your bookmarks as you know it from native posts, like tagging and arranging in categories. You can either add bookmarks via your WordPress Backend or place the provided bookmarklet in your browser’s bookmark bar and add a WP Bookmark right from the website you want to bookmark.
Features:
<ul>
<li>Native use and management, that you know from posts</li>
<li>Tagging Bookmarks</li>
<li>Arranging bookmarks in hierarchical categories</li>
<li>Save your bookmarks as draft</li>
<li>Write a few lines about your bookmark in the description area</li>
<li>Language Support for English and German</li>
</ul>

WP Bookmarks

WP Bookmarks adds a special post type to your WordPress installation, that you can use for bookmarking your favorite websites.

damies.softs

Hierarchical Bookmark System allows saving and categorizing bookmarks in a hierarchical fashion easily within the wordpress. 
Hierarchical bookmark system is a very useful and effective plug-in allowing to bookmark favorite websites. The plug-in adds your preferred websites to bookmarks within the wordpress. You can also arrange your all bookmarks in a hierarchical fashion where all bookmarks are sorted according to their categories. Other than this, managing your bookmarks is also made easy by this amazing bookmark plug-in. It avails the users with a custom post type named Bookmark from where the bookmarks can be managed in similar fashion like native posts. This Hierarchical bookmark system by D AMIES Technologies Pvt. Ltd. allows adding bookmarks directly from wordpress back-end.
Features:
<ul>
<li>Very simple to use and manage bookmarks similarly to posts</li>
<li>Managing Bookmarks in Hierarchical fashion</li>
<li>Saving the bookmarks as draft</li>
<li>Adding description with every bookmark</li>
</ul>

Hierarchical Bookmark System

Hierarchical Bookmark System avails an eye catching interface to save and categorize bookmarks in a hierarchical fashion.

WP Bookmarks vs Hierarchical Bookmark System