Speaker at the OpenTechSummit 2017

Bitte reiche Deinen Talk, Workshop oder Projekt ein. Der OpenTechSummit (http://opentechsummit.net) findet am 25. Mai in Berlin statt. Wir freuen uns auf Dich!
Please submit your talk, workshop or project here. The OpenTechSummit will take place on 25th May in Berlin. We are looking forward to welcome you.
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