ClientExec is a great billing and support application, that's intended to facilitate the management of small to medium-sized website hosting providers. It is the connection between the front- and the back-end and it makes it possible for some client to buy a web hosting plan online and to get their account activated. ClientExec will make it simple and easy for you to generate invoices, to set prices for web hosting plans and domain names or to watch performance stats. When you use this app, you'll be able to include a payment processor, a domain registrar or an SSL service provider in several simple actions. ClientExec also contains a built-in ticketing system, that will allow 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 give them separate levels of access and each level will be able to access different sections and options in ClientExec.