Nomad Factory have released a number of their plug-ins in the AAX 64 bit format for Pro Tools 11. They are Magma, Cosmos, Echoes, Magnetic & Magnetic II. 

Also Magma includes Chainer, which enables users to insert VST plug-ins and use them in either Pro Tools 10 or Pro Tools 11.

For more information go to the Nomad Factory web site.