BibSonomy is a social bookmarking and publication-sharing system. Developed by Knowledge and Data Engineering Group, University of Kassel, Germany
License: Free
Shaarli is a lightweight and privacy-focused bookmarking tool that allows users to self-host, while BibSonomy offers a more feature-rich experience with analytics and mobile support but sacrifices some privacy. Users looking for a simple, customizable, and private solution may prefer Shaarli, while those needing advanced features and community interaction might opt for BibSonomy.