Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Drift - A messaging app that helps you grow your business.
Live Chat by Landbot - Live chat that combines chatbots with human chat
Talkus - Chat with your website users from Slack
Video Live Chat for Websites - Provide real-time video chat support with screen sharing
HeyHi.sg - Video call with interactive whiteboard