Linux-Based Billing And Business Application Server For FREE use.
Open Source Integrated Hospital Information Management System
Open Source Openbravo POS convert to Commercial Retail ERP and POS
An Invoicing program for Auto Shops written in vba and MS-Access.
Simple Invoicing program for Desktop written in vba and Access
A billing APP for Equipment Sales/Repair Shops written in MS-Access.
Desktop and mobile solution for invoicing
Escribir facturas - simple y fácil
Daily expense details manager
Application for tracking customers, clients, accounts, etc. PHP/MDB2
Car's workshop management.