From wiki.flightgear.org

Description: Type: cvs, svn, git URLs:

Public Contributor Repositories

These are public repositories of FlightGear contributors, some of which may mainly mirror FlightGear CVS/HEAD, while others may in addition also comprise branches or forks of FlightGear related source code, whose modifications didn't yet make it into HEAD

• http://mapserver.flightgear.org/git/gitweb.pl
• http://pigeond.net/git/
• http://www.av8n.com/repo/ [1] (branch that contains numerous patches that never made it into fgfs/HEAD)
• http://github.com/royvegard/flightgear.source.rvo/tree/master
• http://repo.or.cz/w/flightgear.git
• http://repo.or.cz/w/simgear.git