Skype for Slack - Move your slack discussions to a group skype call
Quickie - 3-60 second video calls with your friends
Aircall Now - Make voice calls inside Intercom Messenger 📞💬
Memento - Memories are made with Memento
Slack - A messaging app for teams who see through the Earth!
Daily.co for Intercom - Free video calls & screen shares embedded in Intercom