GTV is a turn viewer used for playing GalaxyNG, a free play-by-email interstellar strategy wargame. You are the leader of a race which competes with other nations in a universe filled with habitable planets. Colonize new worlds, research technologies, design and build spaceships, and fight those evil aliens that try to bomb your planets.
GalaxyNG can be played without a turn viewer, but a tool like GTV makes it more likely that your civilization will survive.
Among the features of GTV are:
GTV is based on GTK+ and has been successfully compiled and used under Linux, MacOS X and Windows.