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

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.

Google Duo - Google's answer to Facetime, high-quality video calling on iOS and Android.

RaidCall - Free & Light. Setting up is fast and easy; with no need to rent or set up servers. Low CPU usage and minimum memory footprint allows for smooth, uninterrupted communication. im. Group Communication.

eyeSlick Active Media - Active media marketplace - live broadcasting, streaming video, calls, e-commerce, social and more monetize your experience and become a hero from anywhere in the world using any device