If you have small office or you want less budget to customer relation management, you can see this software. SugarCRM is customer relation management software developed by community to. SugarCRM is an open source crm (customer relation management) system, which helps you to track and share opportunities, manage existing customers, keep track of your pipeline and much more.

Has offline capability with mobile devices for the salesforce out at customer site, conferences, etc. SugarCRM even integrates to Microsoft Outlook and other groupware systems.

To get this software or more information check this site.