MEGAMEK

MegaMek is an unofficial, online version of the Classic BattleTech board game. MegaMek is open source, free software. It is licensed under the GPL... The MegaMek organization maintains a series of programs that try to implement the published rules for the tabletop BattleTech game published by Catalyst Game Labs as faithfully as is practical. These programs are designed with the idea of being accessible, both in portability across various operating systems and across various hardware configurations.