CG Invoicer 

CG Invoicer creates professional invoices quickly and easily. Track clients, products, invoices and generate sales reports. You can check email from within CG Invoicer and parse out registration emails automatically
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Invoice Organizer Deluxe 

Invoice Organizer Deluxe is a flexible invoicing and billing software for all kinds of professionals such as lawyers, artists, constructors, developers, consultants, field experts, designers, architects, accountants, programmers, consultants, ..
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Invoice 101 - PC 

Invoice101 is a powerful invoice program with an easy to use interface and advanced functionality. Internal databases manage invoices, estimates, worksheets, jobs, payments, accounts, recurring items, catalog, scanned documents, clients and vendors.
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