What are good Opensource Billing Solution with Customer Portal?
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                krunaloverflow
            
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        Published on 2012-04-10T05:24:21Z
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I'm looking for an Online Billing Solution along with a Customer Portal in open source space so that I can customize it the way as required in future. My requires are:
- Flat & Subscription(Periodical) based Billing (orders/invoices)
 - Able to set products/services, its prices
 - add customers or customers can register themselves from client end (a web page) and mange their profile themselves from customer portal, pay online, order products, check invoices, cancel order / subscription, etc.
 - An interface (web service or API) that would provide a mechanism to check when customer recieves service, his current status and then allow them access to the services (similar to subscription membership website )
 
Please provide me with the options I should consider.
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