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 user-friendliness and intuitive interface, that will enable you to access lots of functions with only a few clicks. You are able to upload, copy and move files, set up new databases and add users with different stages of access, create email addresses, enable spam security and SPF validation, view account usage stats, and many more. cPanel is used by many reseller website hosting providers, because it contains a reseller-level Control Panel named WebHost Manager (WHM). The latter is a powerful software instrument which will allow you to create web hosting plans and to select all of their features. You can also create and adjust client website hosting accounts, easy access and modify a variety of server-side settings and DNS zone records, set up modules and applications, and much more. cPanel and WHM can be used with a large number of billing applications.