@boris will be in Berlin for a couple of months this summer (June - July 2018). This is a wiki of research into the open source, blockchain, and general tech scene in Berlin. Feel free to add suggestions!
Coworking
Fullnode Berlin
Co-working and event space for blockchain and decentralized projects.
Skalitzer Straße 85-86
Truebit team will be coworking from here.
Unicorn Berlin
WeWork Berlin
GTEC Berlin Campus
http://www.gtec.center/venue/gtec-berlin-campus/
Space Shack
Events & Meetups
Berlin Ethereum
Ethereum Berlin
Blockchain Meetup Berlin
Blockchain Real Talk!
9984 Blockchain Meetup
https://www.meetup.com/9984-Meetup/