Billionaire Pay Pal co-founder Peter Thiel has apparently donated $1.25 million to the Seasteading Institute, an organization seeking to build floating nation-states that would be able to experiment with innovative political and social systems. Specifically libertarian political systems.
Of course, that’s part of the rationale for going to Mars. Not specifically to set up a libertarian society, although there’s certainly an element of that in the independent settlements depicted in In the Shadow of Ares. The basic idea is to start from scratch, choosing from what you know works best and leaving behind what doesn’t.