The blue social bookmark and publication sharing system.
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search engine that focuses on hobbyists, academics, and computer savvy people about subjects they were interested in and other personalized websites cuts out most of the commercial web. like the the earlier days of the internet.
BibSonomy is offered by the KDE group of the University of Kassel, the DMIR group of the University of Würzburg, and the L3S Research Center, Germany.