CRM

PHP

Sugar

http://www.sugarforge.org/content/open-source
http://www.sugarforge.org
http://www.sugarcrm.com/crm/community/sugarcrm-community.html

Autres

http://www.simplecustomer.com

http://www.vtiger.com/index.php

http://www.browsercrm.com
http://www.browsercrm.com/content/view/121/107

http://xrms.sourceforge.net

Java

Centric

http://www.centriccrm.com

Ressources

http://www.java-source.net/open-source/erp-crm (Java)
http://swik.net/CRM+PHP

http://www.insidecrm.com/features/top-open-source-solutions-121307
http://www.elitecrmsoftware.com/open_source_crm.html
http://www.smallbizcrm.com/free-single-user-crm.html, http://www.smallbizcrm.com/free-single-user-crm.html