Openbravo – Open Source Enterprise Management System
http://www.openbravo.com/

Openbravo is a fully functional integrated web-based open source enterprise management system, commonly known as ERP, that is much more at a cost that is far less. If you are a small or midsize enterprise (SME) and you are looking for a system to manage your business … it’s time to get your own ERP! This has been added to World Wide Web Reference Subject Trace™ Information Blog.