Close.io is the best CRM system for small and medium-sized businesses with an inside sales team. The entire system was designed with a simple, yet elegant user interface, making it simple for your sales team members to find the information they need to do their job. Managing contacts and leads is easy with this CRM and thanks to its smart search functionality, you'll never have to waste time digging up a lead's information. One thing that makes Close.io stand out among competitors is the many ways it provides team members to get in touch with a lead, customer or contact. You can use the system to make phone calls, send text messages or email without having to use external applications or tools. It also lets you keep track of each interaction's outcome, making collaboration between different team members or departments a lot more efficient, which boosts productivity and increases conversions.