Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Invision - Prototyping and collaboration for design teams
Live Chat by Landbot - Live chat that combines chatbots with human chat
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
GoSquared Live Chat - Beautiful, simple, and free live chat for your website
Craftwork - A collection of User Interface resources made by Craftwork