here is a site that has a list of Free and open source Game Development Libraries that may be of use to you guys so check it out

http://www.ebonyfortress.com/blog/free-game-development-libraries/

http://www.thefreecountry.com/sourcecode/index.shtml
http://www.thefreecountry.com/programming/index.shtml
http://www.thefreecountry.com/sourcecode/audio.shtml