PLINK is a widely used toolset for genome-wide association studies (GWAS) and
research in population genetics.

Citation:
Chang et al. (2015)
Second-generation PLINK: rising to the challenge of larger and richer datasets.
GigaScience 4(1) doi:10.1186/s13742-015-0047-8

WWW: https://www.cog-genomics.org/plink/