Customerjet - Resolve live chats faster by watching where users get stuck
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Intercom on Customer Engagement - A book on how to create messages that drive engagement
Sales Torch - Manage prospects effectively.
Aboardly - IFTTT for automated customer emailing
Inbox by Reply - Handle your hot sales emails faster