Joomla is a powerful CMS only second to Drupal.
http://www.joomla.org

In this CMS you can as well implement a revenue sharing program and it is very easy when you use one of the third-party plug-ins available.

For example, here is Google Adsense Revenue Sharing For Joomla:

The popular Adsense Clicksafe module, but extended to enable revenue sharing. By installing this module, you’ll get the following features:

1. Specify defaul Adsense ID
2. Specify default channel ID
….. blablabla