Compiere ERP
Compiere is the #1 Open Source ERP software application with fully integrated CRM software solutions.<

Hipergate
Hipergate is an open source web based application suite. It's mission is to cover a full range of technical requirements in any organization. All applications are addressed from a browser, without needing any other additional software in the client computer. This suite is multi-company capable, and can be used in a single company, a corporate group or working as an ASP solution capable of serving an unlimited cuantity of single customers.

JERPA
The Java Enterprise Resource Planning Architecture (JERPA) is an advanced architecture model for ERP software. It is written in pure Java and is based on XML-RPC and J2EE.

Ohioedge CRM Server
Ohioedge is a Web-based, Enterprise Java (J2EE) CRM/Workflow Mgmt portal, designed for organizations requiring centralized, enterprise-wide co-ordination of sales generation and workflow activities.

openCRX
The Professional Open Source CRM Solution.

SellWin
SellWin is an open source CRM Sales application that is ready for your enterprise.  SellWin is built upon a multi-tier component architecture using the latest Java technology.  Since SellWin is open source, you can custom tailor every aspect of the application to suit your unique sales process. SellWin comes completely functional with contact management, activity scheduling, data synchronization, administration dialogs, quote generation, quote-to-order conversion, and many other features.