NetHunt CRM - Turn Gmail into a smart CRM
Live Chat by Sumo.com - Instantly communicate with customers, prospects & visitors
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Inbox by Reply - Handle your hot sales emails faster
Video Live Chat for Websites - Provide real-time video chat support with screen sharing
SMS Bot Creator - Automate SMS replies using a bot