The famous communcation software TeamSpeak 2.

All you need is a microphone, a server (ours for example) and then you can talk to the other players ingame.

A must for all gamers.

After clicking on the link, you will be redireted to the TeamSpeak Website.
Download from there.

A little tool that makes it possible to minimize the game without using ALT-ENTER.
Just start it before you start ET and use ALT-Z to minimize / maximize ET whenever you want to.

An icon in the Systemtray will show you that it is running.