Appearing almost simultaneously alongside the Galaxy Note 10.1's launch itinerary, Samsung has offered up source code for both Korean iterations of the stylus-friendly slab. Ensuring custom ROM devs have very early access to the source should mean we're likely to see other software iterations (minus TouchWiz, perhaps) sooner rather than later. Developers can delve into the coding goodness below.
Samsung Galaxy Note 10.1
Samsung Galaxy Note 10.1 (2014 Edition)