When discussing the best customer relation management systems on the market, it would be hard to leave out Agile CRM. This powerful CRM suite contains some of the most comprehensive utilities found in any similar suite, and the tools fall into several categories that are all closely related to business success. With Agile CRM, you'll get numerous automations for the marketing and sales processes, including email and and mobile marketing. Marketing automation can easily be achieved thanks to the drag-and-drop interface. To make the software even more useful, it comes with several popular integrations. For instance, the software can easily blend with Facebook, Twitter, Google Apps, LinkedIn, Twilio, and RingCentral. This makes the software ideal for workflows that already use those services. The cost of Agile CRM is negligible compared to what you'll get from the service, and the system is scalable so it can adapt to the future needs of your brand.