Actually that's not all you can contribute. There's also documentation, with the FlightGear Manual... and this wiki of course! To contribute to the wiki, head off to the Wiki Portal. There's a lot to do there too.
If you want to get in touch with other developers, register an account at the forum, and for core development subscribe to the mailing list too and consider visiting the issue tracker
Visit Category:Core development projects to see a list of currently ongoing projects!
See Category:Developer Plans to see a list of developer plans for the upcoming release.
See request for comments for a list of long-standing issues and challenges affecting FlightGear's evolution and overall development progress (admittedly a little outdated meanwhile).
Svakog meseca,u FlightGear Newsletter ,pokusavamo da dodamo i interview sa nekim od FlightGear saradnika. Svako ko pomaže FlightGear, na bilo koji način, je dobrodošao da odgovori na nekoliko pianja i tako napišse svoj / njen interview.