Webmin - Webmin is a web-based interface for system administration for Unix.
CyberPanel - CyberPanel is web hosting control which is based on OpenLiteSpeed.
cPanel - With its first-class support and rich feature set, cPanel & WHM has been the web hosting industry's most reliable, intuitive control panel since 1997.
ispmanager - Ispmanager is a web server and website control panel for VPS management, as well as shared reselling.
Vesta Control Panel - – What I love about Vesta is that it's fast and easy to use
Ajenti - Web administration panel for servers and custom hardware