Calls on Slack - Make voice calls in Slack
Aircall Now - Make voice calls inside Intercom Messenger 📞💬
Slack - A messaging app for teams who see through the Earth!
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Talko for Slack - Team calls for mobile & web in any Slack channel
Whiteboard for Skype Interviews - Skype brings a whiteboard to Skype Interviews