What are some alternatives?
When comparing CentOS Web Panel and cPanel, you can also consider the following products
Webmin - Webmin is a web-based interface for system administration for Unix.
Plesk - Plesk puts all the automation, security, and technical tools an IT professional needs in one simple and easy to use dashboard.
ISPConfig - ISPConfig 3 is an open source hosting control panel for Linux.
DigitalOcean - Simplifying cloud hosting. Deploy an SSD cloud server in 55 seconds.
Ajenti - Web administration panel for servers and custom hardware
Hostwinds - Hostwinds offers web hosting services and solutions.