#ThinkingUtopia Many small consumer goods like Nerf darts are made according to open standards and anyone who wants to make them mostly compete over how cool the guns are. Instead of a dozen different connecting bricks, there's one type with a dozen groups making their own slightly different colors and sizes. And so on.
Sunbeam City is a Libertarian Socialist solarpunk instance. It is ran democratically by a cooperative of like-minded individuals.