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

qTox - A Qt graphical user interface for Tox.

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

Tox - Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

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

Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.