Best CRM Software title Fat Free CRM carries a moniker that might be a double entendre. It may be "fat free", but it is also free and full of features. Those who contributed to this different take on CRM wanted to give businesses access to a customer relationship management tool that help them be more nimble and grow, and they wanted to give the business world a different take on CRM software. They achieved that goal. Fat Free CRM runs on the Web and in the Cloud. Free accounts are available at the Fat Free CRM website. Use it to keep up with prospects and acquire new sales.