ClientExec is a great billing and support app, which is intended to help the control over small to medium-sized hosting firms. It's the link between the front- and the back-end and it makes it possible for some customer to purchase a website hosting plan on the web and then to have their account activated. ClientExec will make it super easy for you to generate invoices, to put prices for hosting plans as well as domain names or to see performance stats. Every time you use the software, you can add a payment processor, a domain name registrar or an SSL service provider in a few easy steps. ClientExec also includes a built-in ticketing system, that will enable you to provide support to your clients. If you decide to start your own reseller web hosting business and other people to help you in this venture, you can provide them with separate levels of access and each level will be able to access different sections and options in ClientExec.