ClientExec is a great billing and support app, that is designed to facilitate the management of small and mid-sized hosting providers. It is the link between the front- and the back-end and it makes it possible for a client to order a website hosting package online and to get their account activated. ClientExec will make it really easy for you to generate invoices, to set prices for web hosting packages as well as domain names or to watch performance stats. When you use the software, you can add a payment processor, a domain name registrar or an SSL supplier with a couple of simple steps. ClientExec also features an inbuilt ticketing system, that will allow you to provide support to your customers. If you decide to start your own reseller website hosting business and other people to help you in this venture, you can give them different levels of access and each level will be able to access different sections and options in ClientExec.