cPanel is one of the leading hosting Control Panel instruments and it's used by millions of users worldwide. Its popularity is as a result of its convenience and intuitive interface, that will enable you to access plenty of features with just a couple of clicks. You can move, copy and upload files, create new databases and add users with different stages of access, create email addresses, enable spam security and SPF validation, view account usage stats, and a lot more. cPanel is used by many reseller website hosting providers, as it has a reseller-level Control Panel called WebHost Manager (WHM). The latter is a powerful software instrument that will allow you to create website hosting plans and to select all their features. You can also set up and customize client hosting accounts, access and edit a lot of server-side settings and DNS zone records, set up modules and apps, and much more. cPanel and WHM can be used with multiple billing applications.