Close.io is an inside sales CRM combining customer management with built-in calling and email synchronization. Close.io allows your sales people to spend more time communicating with your customers and less time on data entry.The software includes the ability to make and receive calls, while taking notes, without leaving the application or picking up a desk phone. The platform includes a built in phone system through which your sales people can simply click on a lead to call. Their software is available for Mac, Windows and the web.