In this video Christopher is showing you how to create, load and share presets in Audiobus 2. Don't miss the launch: http://audiob.us/two
Some of the apps in the video that are going to support state saving:
Echo Pad -- http://bit.ly/MfcBNn
Arturia iSem -- http://bit.ly/1id2cO9
And of course Audiobus 2.