Freifunk
From CoMakingSpace Wiki
Feel free to access the internet through our "freifunk-rhein-neckar" node! You should find it with any smartphone or WiFi-enabled computer.
Freifunk (DE) is providing shared internet access to everyone. There is also a local intitiative, "Freifunk Rhein-Neckar hilft", to provide refugees with internet access - check the Freifunk website, forum and mailing list for further information.