10 Best CRM has recently completed yet another list of open source companies in an attempt to determine the top open source CRM software currently available on the market. Anyone that has an interest in investing in a high quality customer relationship management software platform will want to review this list to see which one currently ranks as the best in the industry. The companies below have been reviewed based on a wide range of qualitative and quantitative statistics. In some cases, variable listing fees effect position on this list; however only highly-regarded firms are accepted through our review analysis. Learn more about our ranking process here.