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<a href="http://www.dyers.org/blog/better-blogroll-widget-for-wordpress/#changelog" title="Better Blogroll Change log" rel="nofollow ugc">Changelog</a>
The Better Blogroll widget for WordPress allows you to display a configurable number of random links from your WordPress blogroll. This should help to combat link blindness while still letting you to share the link love with more of your favorite blogs.
Some Features:
<ul>
<li>Links can be sorted randomly, by title, or by rating.</li>
<li>The number of links shown is configurable.</li>
<li>Categories from which links are shown is configurable.</li>
<li>Links can be set to “nofollow” if your links are coming from paid sources.</li>
<li>Capable of Displaying XFN Data.</li>
<li>Displays image links, text links, or both.</li>
<li>Links can be in a single list or separated by category.</li>
<li>Can display each link’s category or rating to its right.</li>
<li>The description of each link appears in a tool tip.</li>
<li>Allows you to show an explanation that the list is a rolling blogroll.</li>
</ul>

Better Blogroll

Allows you to display a configurable number of random links from your Wordpress blogroll

Enej Bajgorić

ctlt-dev

ubcdev

Aleksandar Arsovski

This plugin allows users to display their WordPress links by category through custom fields.
The following gives a step-by-step setup overview:
<ol>
<li>Enable the plugin (check the installation tab)</li>
<li>Go to the page/post where you’d like to place your links/blogroll</li>
<li>Make sure that Custom Fields are visible (on the edit page or post page click on the “Screen Options” in the top right and make sure “Custom Fields” is checked off)</li>
<li>Under CUstom fields click on the enter new link</li>
<li>Enter an ID in the “Name” field – the plugin uses the ID “display_links” as a default</li>
<li>Enter the category name of the links you’d like to display in the “Value” field</li>
<li>Click on the “Add Custom Field” button</li>
<li>Enter the following shortcode into the post content area or the widget area you prefer: <code>[links_by_cat field_id="(ID previously entered in Name field goes here)"]</code>
<ul>
<li>Note that if you used “display_links” in the Name field, you do not need to enter the “field_id” parameter in the shortcode and can simply do: <code>[links_by_cat]</code></li>
</ul>
</li>
</ol>
The shortcode also supports many other parameters for ordering and structuring your links. All parameters on the list (except “category”) found on the following page are available: https://codex.wordpress.org/Template_Tags/wp_list_bookmarks#Parameters
Other parameter example:
<pre><code>[links_by_cat orderby="rating"] -- This is an example using the orderby parameter from the list. The links will now be ordered by their rating.
</code></pre>
<h4>Added in 1.0.1:</h4>
The ability to display all categories has been added to the shortcode. Simply add: 
 [links_by_cat display_all]
Many bug fixes have also been introduced in version 1.0.1 as well, so please upgrade.
Currently, only one category is supported per Custom Field entry; however, I am looking to update the plugin soon so that it supports multiple categories.

Display Links by Category

A simple shortcode plugin for displaying links by category through custom fields.

Better Blogroll vs Display Links by Category