Hallo Welt! GmbH from Germany is one of the top addresses for any questions about wikis, blogs and social networks. Years of practical experience in MediaWiki projects is one of Hallo Welt!'s expertise. We support initiators with implementation, wiki gardeners with maintenance, and users in their daily work. The developers of Hallo Welt! focus technologically on fully developed open-source solutions.
So we're also the producer of the MediaWiki distribution BlueSpice.