eGroupware
eGroupware enables you to access your whole business data through a browser or a groupware software like Outlook or Evolution to administrate contacts, appointments and todos at any time and from everywhere. Loooking for an alternative for exchange ? Have a look at eGroupware here
SugarCRM OpenSource Edition
SugarCRM OpenSource edition. Now you can benefit from the cutting edge in customer relationship management. and at the same time have it as flexible as possible as an appliance. It is feature rich and even can be extended with a lot of modules. Sugar is a solid company backed by a big and active community. Click detailed info to see the video and extra information.
Tine Professional Open Source Groupware and CRM
Tine 2.0 is an open source project which combines groupware and CRM in one consistent interface. Tine 2.0 is web-based and optimises collaboration and organisation of groups in a lasting manner.