Mumble - Mumble is an open source, low-latency, high quality voice chat software primarily intended for use...
Moot - Moot is a platform for gamers through which they can take part in gaming discussions.
Discord - Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
Plink - Social & Matchmaking platform for gamers.
GSC - With GSC, you can pick from any of 14 worldwide datacenters to host your own free voice server.
XIM APEX Manager - XIM APEX Manager allows you to manage mouse and keyboard on Xbox, PS4, and PC, etc.