Bluetooth Conection PC-NXT1-NXT2
https://bitbucket.org/Thad_Hughes/cortex/src

Here's something in NXC and python that routes from NXT1 to NXT2 through the PC; emulating a non-master/slave config between all three devices. Has the added benefit of a seamless pairing method.

It could be helpful to give a little more detail (what languages you are using, what direction(s) of communication you desire)...