cPanel is one of the leading web hosting Control Panel tools and it's used by millions of users all around the world. Its popularity is due to its convenience and intuitive interface, which will enable you to access lots of functions with only a few clicks. You're able to move, copy and upload files, set up new databases and add users with various stages of access, create e-mail addresses, enable spam protection and SPF validation, view account usage stats, and many more. cPanel is used by a lot of reseller hosting providers, since it has a reseller-level Control Panel called WebHost Manager (WHM). The latter is a powerful instrument that will allow you to create web hosting packages and to choose all of their features. You may also generate and modify client hosting accounts, easy access and change a large number of server-side settings and DNS zone records, set up modules and applications, and much more. cPanel and WHM can be used with a number of billing applications.