Naman Dixit

Monetize your WordPress site with Linkrex. The official plugin allow users to earn more money.
Links monetization (displays an banner ad page when visitors click through links on your website).
<h3>Configuration</h3>
Setting up the plugin is super simple and it takes just a couple of minutes to start serving monetized links on your website:
<ol>
<li>Sign up for Linkrex (https://linkrex.net/auth/signup).</li>
<li>Install the plugin on your WordPress website.</li>
<li>Now goto the ‘Settings’ and select Linkrex Settings. </li>
<li>Now you will see there are 3 options in the Plugin settings.
<ul>
<li>Token Key: (Important)</li>
<li>Domain: (Important)</li>
<li>Patterns: (Optional)</li>
</ul>
</li>
<li>You can get your token key here (https://linkrex.net/member/tools/quick).</li>
<li>Now in second box enter your default website address or just put those domains which you do not want to short.</li>
<li>Skip the third box (only for advance users).</li>
<li>Save configuration.</li>
<li>Done !! The plugin is up and running.</li>
</ol>
Track your earnings in real-time by logging into the Linkrex dashboard.

Linkrex Monetizer

Official Linkrex.net plugin. Monetize your website easily with short links.

Artberri

Karmacracy is an easy way to know people sharing relevant content around your social networks, it’s a new generation URL shortener.
This wordpress plugin will allow you to generate and insert short URLs from this service onto a post or page, resumes your Karmacracy profile in a dashboard widget and allows you to share your published posts on Facebook or Twitter.
This plugin doesn’t automatically generate short links, but allows you to insert short links at will from the post editor.
FEATURES:
<ul>
<li>Panel for setting the Karmacracy configuration</li>
<li>Shortcode icon for easy insertion into a post or page</li>
<li>Dynamically generates and inserts links onto a post or page</li>
<li>Dashboard widget that resumes your Karmacracy profile</li>
<li>Option to share your posts on Twitter and Facebook when are published</li>
</ul>
Comments, questions, feature requests and bug reports are welcome: <a href="http://www.berriart.com/en/wp-karmacracy/" title="WP Karmacracy" rel="nofollow ugc">http://www.berriart.com/en/wp-karmacracy/</a>

WP Karmacracy

Allows you to insert Karmacracy links into posts or pages and share your posts on Facebook and Twitter.

Linkrex Monetizer vs WP Karmacracy