cPanel is the control panel for web hosting built by cPanel LTD. In the last article of the Linux cPanel series, I reviewed Virtualmin, a popular, free, and open-source control panel. aaPanel is also a free and open-source control panel for Linux. cPanel is a very popular control panel for web hosting. Most web hosting companies including Hostgator, Bluehost, and GoDaddy provide cPanel to easily perform tasks on servers. But, it is not free.

Source: LXer – aaPanel – An Open Source Alternative For cPanel