Application version of tabletop game Starship Battle System. Original tabletop game created by Christophe Calmes is under Creative Common. You can find the tabletop rules in french under Rules branch in "Starship Battle System.zip".
Go to https://trello.com/b/Q0X5ZaY0/starship-battle-system to see who is working on currently (no real branch system, i'm lazy).