Webuzo WHMCS Stack is pre-bundled with all the dependencies and requirements like Apache, MySQL, PHP, etc. WHMCS is an all-in-one client management, billing and support solution for online businesses. WHMCS handles everything from signup to termination, with automated billing, provisioning and management. With WHMCS, you're in control with a very powerful business automation tool. You will need a License to install and run WHMCS.