Hi,

just wanted to point to our[1] freely licensed hardware development 
files[2]. All are freely licensed and make copyleft hardware. They will 
be turned into real hardware at some point. If you are curious let us 
know[3].

/mirko

[1] http://www.qi-hardware.com
[2]
http://projects.qi-hardware.com/index.php/p/board-qi-avt2/source/tree/master/
[3] http://lists.qi-hardware.com/cgi-bin/mailman/listinfo/developer