tobyhage

Are you also tired to pay expensive monthly subscriptions to keep track of your keywords. With this plugin you don’t need this services anymore. 
Keep track of your keywords on your own WordPress site for free.
The Seo Monitor was built to offer a simple ranking measurement tool for WordPress websites. You can now view how your website (or other websites) ranks for a number of different keywords right within the WordPress admin panel.
<h4>Features</h4>
<ul>
<li>Track your rankings on Google</li>
<li>Search using other Google Country URLs (e.g. google.co.uk)</li>
<li>Add as many websites and keywords you want</li>
<li>View historical ranking graph for each keyword</li>
<li>Keywords can be filtered on website, group, search engine or by search term. All data is sortable.</li>
<li>Action Log, all actions are logged in the action log. This log will automatically clean items older than two weeks. You can also delete log actions manually.</li>
<li>Delete single rankings per keyword, so that you can delete for example sample data.</li>
</ul>

Seo Monitor

Seo Monitor is a free WordPress plugin to monitor your SEO performance for your website(s).

ProRankTracker

Pro Rank Tracker® is a cutting edge ranking tracking tool (SERP Tracker) for keep you up to date with all the latest changes on the rankings of your websites and videos.
If you don’t have a PRT account yet, you can sign up on: http://proranktracker.com
Why choose ProRankTracker software ?
<ul>
<li>Next Generation rank tracking technology </li>
<li>Amazing affordability (including a free plan)</li>
<li>Unbeatable Accuracy tracking across a huge array of search engines</li>
<li>Powerful local and mobile rank tracking options</li>
<li>Enterprise-level white-label reporting to clients solutions</li>
<li>Easy access anywhere, anytime from web and mobile apps</li>
</ul>

Pro Rank Tracker

I make that only on very few occasions to give a bad feedback, but this here deserve it - my recommendation, save your time, don't download it - it does not work at all, at least not before you not pay - and there is no chance to find out / test it ...

Pay befroe you try

Using ProRankTracker's Wordpress plugin, you can view your wordpress site's rankings and stats from your PRT account, directly on the admin  …

Seo Monitor vs Pro Rank Tracker