Microsoft Visio is a diagramming, process modeling & data visualization solution which enables communication of complex information through data-linked diagrams.
Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.
Sugar Sell (formerly SugarCRM) is a Social CRM tool that includes full sales, marketing and support automation, email integration, reporting, team selling, advanced security and workflow automation.