About Mumble
A low-latency, high-quality voice communications tool primarily intended for use while gaming. It is open source, licensed under the revised BSD license, and runs on Mac OS X, Windows and Linux.

Mumble includes game linking, so voice from other players comes from the direction of their in-game location, and has echo cancellation so the sound from your loudspeakers won’t be audible to other players.

What’s New in this Version
- Murmur now uses even less resources, and only starts worker threads for virtual servers on demand.
- Ice now has callback functions, allowing you to create server-side scripts that react to users authenticating, moving around etc. It also supports outsourcing authentication, enabling you to do authorize users from a third-party database. Additionally, the Ice interface has been fully documented.
- You can now use images in the server welcome text and text messages, using regular HTML tags.
- Many more enhancements.