BibSonomy is a social bookmarking and publication-sharing system. Developed by Knowledge and Data Engineering Group, University of Kassel, Germany
License: Free
BibSonomy is an open-source platform focused on collaborative tagging and bibliographic management, while ReadCube is a commercial literature management tool that excels in full-text PDF management and advanced search functionalities. The choice between them depends on the user's preference for open-source solutions versus comprehensive literature management features.