What are some alternatives?
Sandstorm.io - Take control of your web by running your own personal cloud server with Sandstorm.
Ajenti - Web administration panel for servers and custom hardware
Cozy - Choose simplicity, get Cozy.
Webmin - Webmin, Usermin, Virtualmin, Cloudmin, Linux, System Administration
Vesta Control Panel - – What I love about Vesta is that it's fast and easy to use
SolidCP - SolidCP is a free and open source multiple server enterprise control panel for the Windows operating systems.