SugarCRM is the market-leading, commercial open source customer relationship management (CRM) application. SugarCRM's open source architecture easily adapts to any business environment by offering a more flexible, cost-effective alternative than proprietary applications.

vTiger is an open source, web-based customer relationship management (CRM) system that competes with applications like Goldmine, SugarCRM and Salesforce.com. For companies with multiple employees and multiple customers, a rock-solid customer relationship management system is the cornerstone of the business.