cPanel is one of the best web hosting Control Panel tools and it's used by millions of users internationally. Its popularity is due to its convenience and intuitive interface, that will enable you to access a lot of features with only a few clicks. You are able to upload, copy and move files, create new databases and add users with different stages of access, create email addresses, activate spam protection and SPF validation, view account usage statistics, and many more. cPanel is used by many reseller web hosting providers, due to the fact that it includes a reseller-level Control Panel called WebHost Manager (WHM). The latter is a powerful software instrument which will allow you to create web hosting plans and to choose all of their features. You may also set up and adjust client hosting accounts, gain access to and change a variety of server-side settings and DNS zone records, install modules and applications, and much more. cPanel and WHM can be used with a lot of billing applications.