For those interested in a customer relationship management system that is based in open source, Fat Free CRM has been named one of the best. A platform that runs on Ruby on Rails, it is an out of the box CRM that was developed through group collaboration with beta-testers, early adopters and enthusiasts of open source. The developers of Fat Free CRM know that you spent time, effort and money to earn your customers, so the platform aims to help you keep them. Once you have taken a look at the free demo and grabbed the code from GitHub, you will find that managing leads, building campaigns and scoring leads will be simple and efficient. As a user of Fat Free CRM, not only will you use a platform that is free, you will become a part of a movement that seeks to spur more innovation in relationship management software.