What are some alternatives?
Sandstorm.io - Take control of your web by running your own personal cloud server with Sandstorm.
ZPanel - Discover ZPanel Today! Welcome to the official ZPanel website.
Cozy - Choose simplicity, get Cozy.
Ajenti - Web administration panel for servers and custom hardware
Cloudron - The Cloudron platform helps you effortlessly run web apps on your server.
InterWorx - The InterWorx Web Control Panel is a Linux based dedicated server and VPS web hosting control panel.