Vtiger is an open source customer relations management application. Vtiger forked from the SugarCRM application in 2004, and today Vtiger powers operations for over 350,000 businesses and organizations worldwide.

Vtiger already includes everything that you need to scale operations! Start out with email marketing, sales, quotes and invoices. As your business evolves, use additional calendar and activity management, customer portals, reports, inventory management, project management, and other tools.

-Vtiger developer