Aircall Now - Make voice calls inside Intercom Messenger 📞💬

Discord - Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.

Calls on Slack - Make voice calls in Slack

Mumble - Mumble is an open source, low-latency, high quality voice chat software primarily intended for use...

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.

Twitch - Twitch is one of the most prominent streaming services around, serving as a platform primarily for video game and pop culture streamers.