jOpenERP

jOpenERP is the leading ERP software and customer relationship management (CRM) system.
It allows you to easily extend its core functionality to fit your specific processes without forcing you into an expensive and difficult upgrade path.
Solutions provide businesses and non-profit organizations with easy, flexible, low-cost access to rich functionality for managing all financial, distribution, sales, and service processes. Customers can easily and affordably customize the solution to fit their business requirements with no or minimal programming.