Watch Nae Pasaran if you haven't already. It's a bloody amazing documentary on worker's solidarity and will be sure to make you feel a broad spectrum of emotion.
It actually somewhat restored my faith in humanity, and I'm super grateful for that... Thankyou to the RR workers of East Kilbride from the bottom of my anarcho-communist heart
Sunbeam City is a Libertarian Socialist solarpunk instance. It is ran democratically by a cooperative of like-minded individuals.