FTG station a codebase, that always be licensed under GPL v3. It means, you don't need to open your code to people, which connecting to your server, but you should open it to people, which has a dmb.
Forked from GenesisKernel/genesis-front
Forked from potehinre/cssf
Forked from tgstation/tgstation
the /tg/station branch of SS13