There is a hackerspace (http://sublab.org/ http://sublab.org/) and some related communities, even an somewhat? community organised ISP and some wireless communi

There is a hackerspace (http://sublab.org/ http://sublab.org/) and some related communities, even an somewhat? community organised ISP and some wireless communities (freifunk.net) - I'm sure they are also some web-related start-ups but I'm not living there anymore