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.
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
CyberPanel - CyberPanel is web hosting control which is based on OpenLiteSpeed.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Webmin - Webmin is a web-based interface for system administration for Unix.
Google Cloud Functions - A serverless platform for building event-based microservices.