Growstack is an open-source non-profit community project addressing the issues within our food system via vertical farming. Growstack paves the way for new solutions by making vertical farming technology accessible, bringing motivated people together and removing the barriers to get started with new ways of producing food. An aeroponic vertical farming technology stack is made openly available, while knowledge sharing is supported and a culture of really walking the talk is built in the community. This is what is happening with Growstack: An aeroponic technology stack is made openly available (open-source GPL) An open wiki for project-specific knowledge sharing incl. business aspects is built A vertical farming system is in daily operation and optimized for crops in local demand Meetups and hackathons around vertical farming technology is held The community runs agile experiments and co-creates needed solutions around vertical farming