I took part in the DB Open-Data-Hackathon Summercamp in July with @n0rdlicht and got to know a bunch of people from the German open (mostly transport/cities-focused) data scene.
We worked on two projects. A single-purpose editor for mapping bike stands in OpenStreetMap:
And a resource to strengthen the basis for professional engagement within the open data community:
Further details and snapshots in our blog post.