Electric eels

If you believe food comes from a field, you will defend the field. If you believe the food comes from the supermarket, you will defend the supermarket.

Avoid any group that begins their political reflection with a goal (like revolution), and join those that begin from a need. Do the same, and paths will appear.

start.coop

Fondazione PICO

Enspiral

platformcoops.de is not an incubator per se, but it has a similar function

startup cooperatives incubators are a thing.