Advanced Enterprise is a free ERP software designed to keep and track information regarding production orders and generate invoices when goods are shipped to customer. Advanced Enterprise integrated with production and accounting provides the ultimate control over order processing and production. Advanced Enterprise requires Microsoft SQL Server to operate. In can work with free MSDE Edition, but for full multi-user functionality we recommend a full version of Microsoft SQL Server. Advanced Enterprise main features:

Maintains Order Status: Draft, Production, Shipped, Invoiced, Autoinvoiced, Cancelled, Back Ordered;
Maintains Acknowledge and Planned Ship Dates;
Allows changing ordered item being in production;
Maintains list price for manufacturing goods;
Integrated Bill Of Material makes sure that only non-discontinued products can be ordered;
and more...