Skype for Slack - Move your slack discussions to a group skype call
Google Home - Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.
Aircall Now - Make voice calls inside Intercom Messenger 📞💬
Facebook Portal - Smart, hands-free calling, with Alexa built in
Calls on Slack - Make voice calls in Slack
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.