Fat Free CRM has an online demo for companies and individuals to test out Fat Free CRM to see if it will work for their business, and according to most of the people who have used this program, it is the best free CRM software program available on the market. A few of the CRM features that Fat Free CRM has for people to take advantage of are open source, free, build campaigns, search, manage leads, and lead scoring. Fat Free CRM has been around since 2008, and it has only increased in popularity, and a number of different companies in a wide range of industries have found that it is useful.