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.
G. Sautter, und K. Böhm. Proceedings of the Second International Conference on Theory and Practice of Digital Libraries, Seite 370--382. Berlin, Heidelberg, Springer-Verlag, (2012)