haplotype-based test for differentiation in multiple populations
hapflk is a software implementing the hapFLK  and FLK  tests for the detection of selection signatures based on multiple population genotyping data.
 Fariello et al., 2013, Detecting Signatures of Selection Through Haplotype Differentiation Among Hierarchically Structured Populations. Genetics 193(3):929-941. http://www.genetics.org/content/193/3/929.abstract
 Bonhomme et al., 2010, Detecting selection in population trees: The Lewontin and Krakauer test extended. Genetics 186(1) 241-262 http://www.genetics.org/content/186/1/241.abstract