Billing System Cube Cart

We have several cube cart websites. We are looking for a script either online or even better on local server to recouver from each cube cart the orders that have been passed by the client, collect the new client information and cetralise everything. Through the script we would then be able to manage the various orders, and transform them into bills (same as the order from cube, but numbered - nothing more This can probably be combined with our other project the mailing system.