Lets see theres the TGR1 based on a SCAR.
then there is the recently announced bullpup marker series from Maxtact/Honorcore.
Two versions shown on the net.
and the g36 series.
all of thes are not based on the AR platform while only the TGR1 is out currently of these the others are slotted for a 2014 release.
Honorcore is comprised of Maxtact, Scarab Arms, Milsig.ca