Fat Free CRM is described as 'Lets small businesses organize and maintain information on all of their customer relations. It provides management of corporate information such as customer contacts, customer accounts, sales leads, and sales opportunities' and is a CRM system in the office & productivity category. There are more than 25 alternatives to Fat Free CRM for a variety of platforms, including Web-based, Self-Hosted, Windows, Linux and Android apps. The best Fat Free CRM alternative is EspoCRM , which is both free and Open Source. Other great apps like Fat Free CRM are Twenty CRM, Zoho CRM, Krayin - Laravel CRM and Jetpack CRM.