"Handling everything from signup to termination, with automated billing, provisioning and management, with WHMCS, you're in control of your company with a very powerful business automation tool. WHMCS is an all-in-one client management, billing and support solution for online businesses. You will need a License to install and run WHMCS.
You can easily update your application from inside the cPanel.
We use mod_security to add an extra layer of security on top of your web application.
With TrueHoster, you get the same application and configuration regardless of the hosting you are deploying WHMCS to. This makes it easy to migrate between different servers using cPanel.