SugarCRM Open Source is a powerful Customer Relationship Management (CRM)
application, designed to help you enable your organization to efficiently
organize and maintain information which is crucial to many aspects of your
business.

It provides integrated management of corporate information on customer
accounts and contacts, sales leads and opportunities, plus activities such
as calls, meetings, and assigned tasks.  The system also offers a graphical
dashboard to track your sales pipeline, the most successful lead sources,
and the month-by-month outcomes for opportunities in the pipeline, and
seamlessly blends all of these capabilities into an intuitive and
user-friendly, tabbed interface.

WWW: http://www.sugarcrm.com/home/