Speaking professionally, CyberPanel is the most excellent choice, provided you have a Linux background. I say this because CyberPanel has forums for general support and you have to purchase a support plan if you a person who wants your questions answered within your time frame. The only real issue I have ever had with cyber panel is changing the default Certificate Authority from Lets Encrypt to ZERO SSL. It is not as simple as running acme.sh and making the change...
On another note, cyberpanel is lightweight and fast! Includes the open-source webserver OpenLiteSpeed, which is good if you are not hosting websites. You can upgrade the webserver to LiteSpeed Enterprise at a price. The homepage of cyberpanel is simple and easy to understand, see pic below.
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If you need a free panel that is fast, lightweight, and easy to use, choose CyberPanel!