Netrek is a multi-player battle simulation with a Star Trek theme. As a player, you captain starships to engage enemy vessels, bomb armies and invade planets in order to expand your team's space empire. It's a team-oriented game with realtime dogfighting but involving a lot of ongoing strategy.
This application will display a list of known servers along with current player counts and game types. This application won't let you play Netrek, it'll just let you know when your desktop client is worth starting.