Invoice Me is an online invoicing system, with automatic billing status indicator. With the correct IDs, customers may search their own invoices, and view the payment status (with an option to hide paid invoices). It features search, add, edit, and delete admin interface. When creating a new invoice, the administrator can opt to email a copy of the invoice directly to the customer. Viewers can print the invoices easily via a Print Mode.
dtaus contains a library that can read and write German DTAUS files. DTAUS is an acronym for DatenTrägerAUStausch. This file format is used by German credit institutes in order to manage money exchanges between accounts. This format is used for exchanges both between two banks as well as between banks and their customers.
SharedExpenses is a web-based expense manager. It's based on the idea of a group of people living in one house, needing to have common items purchased for both the house and individual members. It supports a number of useful features including group aliases, credits, receipts, and automatic expense dividing. It has been written in Perl using XML::Twig and CGI.
The gnu.qif Java package allows you to generate files in the Quicken interchange format (QIF), a text (ASCII) file format that lets you to define transactions. The gnu.qif Java package presents an API that can be used to define accounts and transactions, and to output QIF records.