Jeremy Pry

Allow Links from the Link Manager to be manipulated and retrieved using the REST API.
This plugin makes the following endpoints available:
<ul>
<li><code>/wp-json/wp/v2/links</code> – List details for all links, or create a new link.</li>
<li><code>/wp-json/wp/v2/links/<id></code> – List details for a particular link ID, update a link, or delete a link.</li>
</ul>
For more information about the REST API as a whole, refer to the <a href="https://wordpress.org/plugins/rest-api/" rel="ugc">REST API plugin</a>.
Note: This plugin requires the <a href="https://wordpress.org/plugins/rest-api/" rel="ugc">REST API plugin</a>.

REST API Link Manager

Enable REST API endpoints for Links in the Link Manager.

jensg

Ultimate Blogroll is a plugin which enables your visitors to submit a linktrade. Your visitors can add their own website and you can keep track of the in- and outlinks.
<pre><code>* Let your visitors add a linktrade
* Give an overview of the linktrades including the stats
* Order by different parameters
* Easily approve or discard a new linktrade
* Check for a reciprocal link
* Prevent spam with Recaptcha
* Import/export links into/from WordPress
* Handy Wizard/Installation process to get you started
* ...
</code></pre>
Now available in: English, Dutch, Spanish, Hungarian, Russian, Norwegian
Credits: 
Spanish translation: Dennis Vera (http://tuguiaweb.net) 
Hungarian translation: Nora Erdelyi (http://locoling-club.com) 
Russian translation: Nickolay Avdeev 
Norwegian translation: Rune Kristoffersen (http://www.sportsmarkedet.com )

Ultimate Blogroll

Enable your visitors to submit a linktrade and keep track of the in and outlinks. It is the ultimate link manager available.

REST API Link Manager vs Ultimate Blogroll