If we include smaller communes, then Wikipedia has a sizable list of intentional communities which is fun to explore. I found Cheran interesting, they had problems with organised crime coming into town and logging, disappearing people who tried to stop them, and the police and politicians were complicit, so the town kicked them all out. Now if you try to drive in with a political sticker on your car, it will get torn off at the checkpoint. A short Vice video on the place had some interesting interviews, including a local patroller who said crime plummeted and is now basically as simple as pub fights that locals can split up, and an interview with a political representative who was voted in, despite them not really wanting the job as they would get paid more in their previous job at the university. Reminds me of a Douglas Adams quote:

[...] To summarize: it is a well-known fact that those people who must want to rule people are, ipso facto, those least suited to do it. [...]

[–] sqgl@beehaw.org 2 points 3 weeks ago

A close friend in a long term relationship told me his partner wanted kids but he wasn't sure he would make a good father. My advice was along the lines of Douglas Adams.

Both kids are now in their 20's and doing fine.