OpenSIS Finance module

I am looking for billing or school fee management module for OpenSIS. It would be better if someone has already made the module and can show me screen shots or a demo. If you have other ready made school management software then you can show me that also. Below is a similar post which I just copied . I need something like below =================COPIED POST=============== I require a billing module for OpenSIS. The key features / functions are: It shall handle the following types of payments / fees: Once off payments (administrative fees) - registration fees - begining of each term and/or year (materials fees) - transfer fees. from one school to another - deposits - will need to be able to manage the return / refund of deposits Recurring payments - class fees on a monthly and term basis (term can be defined as 1 month, 2 months, 3 months, 4 months depending on the course and/or school) Transaction Recording - Payments / Collections should be recorded including options to record payment method and the appropriate numbers such as cheque number - Being able to record a given tansactions against one or more invoices - Being able to record pre-payments should there be over payments or payments in advance - Tax collection. Reporting: - Generation of period / term / ad hoc invoices - Invoices to performed in batch, so that an administrator can run the invoice generation for a class, for a child, for the entire school, or across all schools (if more than one exists) - Invoices need to have the look and feel changed based on the brand of the school - Invoice generation should have the option to print, convert to pdf for email out or both - Invoices should be stored online and available for the web - Invoices should itemise the various costs such as materials fees, class fees, etc. - Invoices should itemise the courses where a student takes more than one course - Invoice shoulld list taxes separately, providing a sub-total and total with tax. - Invoice aging reports - Generation of payment report / payment advice / receitp for the customer Exporting - Invoice and collections should be exportable to csv =================COPIED POST===============