The preferred method of getting in touch with the SSC is to write us an email to firstname.lastname@example.org
The developers of the SSC also have a consultation hour on Wednesday, 9am to 11am. This is currently done in a dedicated HeiConf room: https://heiconf.uni-heidelberg.de/33pt-udcj-up3r-ecvh You can use this to discuss any software-related issue with the developers of the SSC - use it!
We are located in Mathematikon on the Neuenheimer Feld campus. Our postal address is:
Scientific Software Center
Interdisplinary Center for Scientific Computing, Heidelberg University
c/o Brigitte Schierloh, Room 02.310
Im Neuenheimer Feld 205