Compiere ERP+CRM is the leading open source ERP solution for Distribution, Retail, Manufacturing and Service industries. Compiere automates accounting, supply chain, inventory and sales orders. Compiere ERP is distributed under GPL V2 by Compiere, Inc.
A few simple OSS-Components with industrial strength are provided: A design-Pattern for Building your SOA-Poject, A Business Process Engine with event oriented Architecture, Security Services, A Service Registry...
JDBase is one framework java for creation of graphic interface and manipulation of data. Using graphic API SWT/JFace or Swing to activate the development of systems client/server when the objective is the manipulation of data.