Research shows how collaborative communities are structured, following the 1-9-90 rule. Governance in such context is difficult, but even more is to have economic sustainability. Which legal and governance structures exist to reach economic sustainability in open collaborative communities? Presented at the Berkman Klein Center at Harvard University, within the event Next Gen Podcast Distribution Protocols: Innovation and Governance in Open Development Initiatives https://cyber.harvard.edu/events/2017/05/Podcast (This presentation is a composition of text and images; Text is released under open license CC BY 4.0 Int; Images are copyrighted and used under Fair Use).