
1) Annual event in Germany 2) Free-software conference
Found on
https://www.crosswordclues.com/clue/begeistert

BeGeistert is a semiannual BeOS users conference. In recent years, it has however become a developers conference for both Haiku and ZETA. The conference has been held in Düsseldorf, Germany, every April and October, excepting its first outing in December 1998. The 14th BeGeistert was held in Düsseldorf on April 2-3, 2005. The standard organisati...
Found on
http://en.wikipedia.org/wiki/BeGeistert
No exact match found.