So that was all regarding the best free Cpanel alternatives, I am currently using aapanel and I am more than happy with it. So I would suggest you try aapanel as it is the best free Cpanel alternatives in the present time.
Aapanel stands as best alternative for Cpanel. Many companies and bloggers are now moving to Aapanel after Cpanel dropped a bomb in the market by increasing their prices. At Wiseloaded, we're now standing with Aapanel
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.
Webmin - Webmin is a web-based interface for system administration for Unix.
CyberPanel - CyberPanel is web hosting control which is based on OpenLiteSpeed.
Vesta Control Panel - – What I love about Vesta is that it's fast and easy to use
Control Web Panel - (Former CentOS Web Panel) Free & PRO Linux Web Hosting Control Panel
Ajenti - Web administration panel for servers and custom hardware