conexp-ng - ConExp-NG is a simple GUI-centric tool for the study & research of Formal Concept Analysis (FCA) that allows you to create formal contexts, draw concept lattices and explore dependencies between attributes.
F. Lehmann, and R. Wille. Conceptual structures: applications, implementation and theory, volume 954 of Lecture Notes in Artificial Intelligence, page 32-43. London, UK, Springer Verlag, (1995)
B. Ganter, and S. Rudolph. Proceedings of the 9th International Conference on Conceptual Structures (ICCS 2001), volume 2120 of Lecture Notes in Computer Science, page 143-156. Springer, (2001)
A. Troy, G. Zhang, and Y. Tian. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), volume 4604 of Lecture Notes in Artificial Intelligence, page 206--219. Berlin, Heidelberg, Springer-Verlag, (2007)