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.

GSC - With GSC, you can pick from any of 14 worldwide datacenters to host your own free voice server.

TeamLink - TeamLink is one of the leading and sumptuous solutions that is making web and video meetings extremely easy and efficient.

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

Touchbase - Quick live video discussions for remote teams