Dopays is the better software solution to start your own PayPal, StormPay, SolarPay or e-gold type of online business. The Dopays software is a system where members can buy virtual credits to spend at in the different members' sites.
cashbook is a general purpose php/mysql balancing application that
makes it easy to balance your checkbook, keep track of
expenses, credit card statements and other home or
small business uses
InvoiceSystem is a program made in Delphi (Kylix in future) to manage invoices, stocks, clients, cash-flow, client status, and many other features.
It will support graphics and data export XML, HTML, PDF, Excel, Word and many other formats.