Contribution developed for online and offline billing, real stock control of all products only with billing. The system is very large, it began to be created with the first versions of oscommerce 2.2 and over time more than 200 companies have developed it, Empresa 3.0 is a billing system that offers many ways to interact with the customer.
Enterprise 3.0 OsCommerce highlights
ADVERTISING
Banner Shop-to-shop
Share Stock between equal stores, create a network of stores
Points Program
Coupons Discounts BILLING
Online billing in POS store
Online billing web orders CATALOGS
Control product information, Registration, Delete and Modify.
Control of products by excel and form simultaneously. Easy to use and understand program
  contribution tracking https://apps.oscommerce.com/Bs315&enterprise-3-0-oscommerce Tutoriales