Use LensKit to build your next recommender application.
Use LensKit to research recommender algorithms, evaluation techniques, or user experience.
LensKit is free and open-source software, available under the terms of the GNU Lesser General Public license version 2.1 or later
LensKit is developed primarily by researchers at Texas State University and GroupLens Research at the University of Minnesota, with contributions from developers around the world. It is made possible by support from a number of organizations: