PICT is now open source! http://github.com/microsoft/pict Looking for that one book on combinatorial testing? I recommend: Introduction to Combinatorial Testing (Chapman & Hall/CRC Innovations in Software Engineering and Software Development Series) by Richard Kuhn, Raghu Kacker and Yu Lei. Pairwise (a.k.a. all-pairs) testing is an effective test case generation technique that is based on the obse