Web server based software that estimates a variety of population genetic parameters and conducts a variety of sophisticated tests for departures from Hardy-Weinberg, population differentiation, and linkage disequilibrium. It also can convert data files to formats for use with other programs, including Arlequin. Because Genepop runs on the web, it is not operating system specific. If your interest is Wright'sF-statistics, Fstat, GDA, and TFPGA are recommended.