First, a quote from Darkgod:
"I'll ask people that contribute to release copyright to me, or to give me right to relicense the code as I see fit (you can add a 'as long as it's open source' if you wish, it'll never change". From http://forums.te4.org/viewtopic.php?f=36&t=21351
Now, here are some ways you can contribute to the game even without knowing how to program:
- Participate in the vault contest! http://forums.te4.org/viewtopic.php?f=39&t=25574
- To help you make one, check out "how to make a vault".
- Artifact & Ego ideas http://forums.te4.org/viewtopic.php?f=39&t=22187
- Music! Help us find more music released under creative commons that is usable in the game.
- Make your own addons