Looking for the alternative control panel of cPanel and free then the cyber panel is the best to control panel and which is free of cost, to install cyberpanel on your VPS or cloud server is very easy.
Install CyberPanel (with OpenLiteSpeed), it is totally free and you can install it using a single command like cPanel but you may need to follow some questions during the installation of cyberpanel.
sh <(curl https://cyberpanel.net/install.sh || wget -O - https://cyberpanel.net/
choose option 2 which is to “Install CyberPanel with LiteSpeed Enterprise“.
and type yes for all that you need on your server like DNS, email, FTP etc.