O3 Business software cw Quotation, Invoice, Cash Bill, P.O.S system, payment record, Stock management, barcode function,build in barcode generator, customer record, supplier record,daily report, profit lose, summary, sale performance,sale commision, add point, redeemption, basic payroll, service line management, RMA, product loan record, and GST(tax) function for items. For more information download it and install for free full version.