Basic Online Invoicing System

I am a freelance web designer and I need an online invoicing system for my hosting clients. I really like the way that Billing Orchard ([[login to view URL]][1]) works and I would like something very similar to it. ## Deliverables Online Invoicing System I need it to include: -Ability to add/edit/remove clients -Automatically recurring invoices -Client will be sent an email with a link to invoice, they will be able to pay via Credit Card ([login to view URL]) or mail a check -Integration with my [login to view URL] account so clients can pay immediately online (it will also need to integrate with [login to view URL] for recurring billing so the client will automatically be charged every month) -If they mail a check, I will need a place to login and update the invoice to paid 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform PHP, Mysql