Control Web Panel (CWP), formerly CentOS Web Panel, is a free, open source CentOS Linux control panel that offers quick easy management of multiple servers. Control Web Panel is a feature rich control panel, which comes with a high number of options and features. Thanks to the HostBill integration you can sell shared hosting services and automate the whole process. With HostBill, account provisioning is performed automatically, the same as the whole account management, including upgrades, downgrades of hosting plans, suspensions, termination etc. HostBill client area allows customers to display access details. Admin panel gives the ability to control account lifecycle and manage billing details.