ERP5
ERP5 is a full featured high end Open Source Enterprise Resource Planning (ERP) framework published under GPL license. The Enterprise Resource Planning is a concept or means to promote the efficiency of company management by controlling a whole company from a point of effective utilization of management resources.
The ERP5 is specialized to provide solutions for enterprise and government management agencies. The ERP5 is used for mission critical Enterprise Resource Planning / CRM / MRP / SCM / PDM applications. ERP5 is a full featured ERP with a very flexible architecture designed to fit any business process.