WIKINDX is a free bibliographic and quotations/notes management and article authoring system designed either for single use (on a variety of operating sytems) or multi-user collaborative use across the internet.
M. Freiberg, and F. Puppe. Proceedings of the 8th Workshop on Knowledge Engineering and Software Engineering (KESE8), CEUR Proceedings (to appear), (2012)
J. Freyne, S. Anand, I. Guy, and A. Hotho. Proceedings of the fifth ACM conference on Recommender systems, page 383--384. New York, NY, USA, ACM, (2011)
J. Baumeister, M. Menge, and F. Puppe. FLAIRS'08: Proceedings of the 21th International Florida Artificial Intelligence Research Society Conference, page 329-334. AAAI Press, (2008)