iDempiere!

When you use Highrise, contacts and communication history can be shared across your entire company. No more “Jim has the client’s number and he’s out of the office today.” No more “I don’t know what Jane told the printer last week.” No more “Oops, I didn’t know you already called her back—I just did too.” With Highrise, everyone’s always on the same page.

Compiere open source ERP software provides a modern, highly adaptable, low-cost ERP business solution

LedgerSMB is an open source financial accounting program. As of 1.3, it offers fairly solid AR, AP, and GL tracking as well as inventory control and fixed assets handling.

VIENNA Advantage ERP and CRMModern, rich, scalable and open source ERP & CRM

ADempiere is a commons-based peer-production of Open Source ERP Applications. This project has a bazaar of Citizens which votes in a Project Management Committee every two years.

ProMIS.ONE is a powerful and flexible “Project Management Information System”. It is a simple and unique all- in- one solution covered with advanced features that provides administrative control with higher level.