maltpress

This plugin provides users of Coremetrics tracking to create the appropriate page and event tags for their blogs.
As well as setting core data such as user ID, you can assign common WordPress events with event points or create your own custom page view tags using common WordPress page and post attributes.
For full documentation, contact your Coremetrics account manager.

Coremetrics Tracking

Statistics tracking plugin for Coremetrics. Requires a Coremetrics account.

Jandal

Quantcast Quantifier adds the necessary JavaScript code to enable Quantcast logging on any WordPress blog. This eliminates the need to edit your template code to begin logging.
http://www.jamesturner.co.nz/other/wordpress/plugin-quantcast-quantifier/
Features
Quantcast Quantifier Has the Following Features:
<ul>
<li>Inserts tracking code on all pages WordPress manages.</li>
<li>Easy install: only need to know your Quantcast tag.</li>
<li>Option to disable tracking of WordPress administrators.</li>
<li>Can include tracking code in the header or footer, speeding up load times.</li>
<li>Complete control over options; disable any feature if needed.</li>
</ul>
Usage
In your WordPress administration page go to Options > Quantcast Quantifier. From there enter your Quantcast tag and enable logging. Information on how to obtain your Quantcast tag can be found on the options page.
Once you save your settings the JavaScript code should now be appearing on all of your WordPress pages.

Quantcast Quantifier

Allows you to easily add the necessary JavaScript code to enable Quantcast on your blog.

Coremetrics Tracking vs Quantcast Quantifier