Value ERP

Value ERP is a complete open source middleware / server side sales, purchase, back office and customer relationship software application geared for users ranging from small and medium size businesses to large corporations. Powerful features include backoffice complete accounting (multilingual, multicurrency), complete purchase-receiving-tagging-sales, manufacturing (wip - jobs sublet), sales orders and customer relationships and preferences.

Value now integrates completely with two Open Source products - OSCommerce2 and Sugar CRM.

http://www.valueerp.com/