There are so many control panels available for website management/web hosting over the Internet. They are
Cpanel (paid) http://www.cpanel.net/
DirectAdmin (paid) http://www.directadmin.com
Plesk (paid) http://www.parallels.com/plesk/
Interworx (paid) http://www.interworx.com/
Webmin (free) http://www.webmin.com
ISPConfig (free) http://www.ispconfig.org/
LxAdmin (free) http://lxlabs.com/
Web-cp (free) http://www.web-cp.net/
You should choose the control panel based on your requirements. I would choose based on
1. Does not require much resources such as CPU, Memory.
2. Requires minimum configuration.
3. Obviously free or less cost per month
