cPanel is the most widespread Control Panel tool on the hosting market. It's feature-rich and it has an easy-to-use interface that will offer you full control of your Internet sites. You can easily take care of files, e-mails and databases, take a look at usage statistics, install script-driven applications, and the like. The software is preferred by many web hosting companies, as it also has a reseller counterpart named WebHost Manager (WHM). This instrument will provide you with a web-based graphical interface, via which you'll be able to control lots of server-side settings, create web hosting plans or new client accounts and modify their features with just a few clicks. You may also set up different modules and applications, modify DNS records, brand all of the cPanel accounts that your customers will get, create and remove features from their Control Panels, etc. cPanel and WHM are compatible with the vast majority of billing applications out there, so this is one of the top platforms if you would like to become a reseller.