Not sure about well working, but when visiting years ago, these villages here seemed more happy and prosperous than their “normal” neighbors: https://en.m.wikipedia.org/wiki/Zapatista_Army_of_National_L...

No. There is one corporation that sort of followed the idea. https://en.wikipedia.org/wiki/Mondragon_Corporation

Recently people working there however have said it's moving further away from the core principals though.

The most successful Anarchist society was Spain, which is what the article is discussing.