cPanel is one of the leading web hosting Control Panel instruments and it is used by millions of users worldwide. Its popularity is as a result of its ease of use and intuitive interface, that will enable you to access a lot of features with just a couple of clicks. You'll be able to move, copy and upload files, create new databases and add users with various levels of access, create e-mail addresses, activate spam security and SPF validation, view account usage stats, and much more. cPanel is used by a lot of reseller web hosting providers, as it comes with a reseller-level Control Panel called WebHost Manager (WHM). The latter is a powerful tool which will allow you to create website hosting plans and to select all of their features. You can also set up and modify client website hosting accounts, gain access to and modify a number of server-side settings and DNS zone records, install modules and applications, and many more. cPanel and WHM can be used with multiple billing apps.