3SAccounting - Version 5.0 3SAccounting is a simple to learn and use, feature rich, entry level accounting software that can be used by a wide variety of businesses. 3SAccounting does not contain an inventory control module so many users tend to be service type businesses. It is not, however, designed specifically for service industries. The invoicing module can be easily used by a distribution type business that does not wish to control its inventory. 3SAccounting also contains many advanced features such as two styles of invoicing (service and distribution), multi-currency capabilities, multiple bank account capabilities and more. 3SAccounting is a single-user system that can be upgraded to a maximum of 4 users.3SAccounting includes: A single-user license of General Ledger, Clients, Suppliers and Invoicing; and 30 days of technical support.