"Misson and the rest of the pirate community were strongly opposed to the various forms of authoritarian social constructs such as monarchies, slavery, and capital.
These same pirates practiced forms of direct democracies that are similar to the democracies of 21st century. They envisioned a society where the people as a whole held the authority to make laws and rules, and used systems of councils with elected delegates.
Pirates were strong anti-capitalists, who opposed the dispossession that followed the histories ascent of wage labor and capitalism. The society that they had established was a form of direct democracy intertwined with a socialist economy. "
Whether completely made up or not, it's not all that far from how things actually worked. I just started reading The Republic of Pirates and I can recommend it so far. It also agrees with the way the TV series Black Sails portrayed it.
Sunbeam City is a anticapitalist, antifascist solarpunk instance that is run collectively.