In this introduction to the second part of the special issue on alternative economies published in Organization in 2017, I first briefly chart key fora where the debate has continued in the last two years, and then present the three additional contributions included here. Moving the conversation forward, I argue that, in order to evaluate the prefigurative potential of alternative organizations, we need to address more thoroughly the relation between alternatives and their outside. A productive place to ground this reflection is in the debate between post-capitalism and anti-capitalism. The main lines of this debate are reconstructed based on the keynote speeches delivered by Jodi Dean and Stephen Healy at the last Rethinking Marxism confer...