Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Quickie - 3-60 second video calls with your friends
GoSquared Live Chat - Beautiful, simple, and free live chat for your website
Memento - Memories are made with Memento
Live Chat by Sumo.com - Instantly communicate with customers, prospects & visitors
Daily.co for Intercom - Free video calls & screen shares embedded in Intercom