The Stratagus League aims to promote and encourage the use Stratagus in the multiplayer realm.
Stratagus is a free cross-platform real-time strategy gaming engine. Games that run it include Aleona's Tales, Doom Wars, and Wargus. Games that run on engines related to Stratagus such as BOS Wars and Freecraft are also promoted.
Joining the Stratagus League Steam Group means that you'll be informed of when multiplayer matches are taking place. In addition, you can also join Stratagus League as a clan in Shogun 2, and play in the occasional Men of War match.