It’s good to get a bit more info on what’s been going on. Everything on their website is confusing and vague 
http://commonstransition.org/the-catalan-integral-cooperative-an-organizational-study-of-a-post-capitalist-cooperative/
There’s also a talk by one of the members here:
https://www.unicornriot.ninja/2017/greece-networks-resistance-part-two-infrastructure-exarcheianet-cooperativa-integral/