I have newly developed this app which may be quite useful to multiple domain owners.
EasycPanel
The easiest way to manage multiple domains without any cPanel knowledge. Have all of your domains accessible on one screen - No more repeating those tedious cPanel logins - You can access the most common tasks for all of your domains from one screen.
* File Manager
* Web Stats
* sql Database
* Fantastico
Add as many domains as you like all on the one screen. Ideal if you have multiple domains to look after. You can use as a service for your clients or just for yourself. Try the demo at MySmartScripts.com have a play around