Zlib
Zlib is a free, general-purpose, legally unencumbered lossless data-compression library for use on virtually any computer hardware and operating system.
PLINK
PLINK is a free, open-source whole genome association analysis toolset, designed to perform a range of basic, large-scale analyses in a computationally efficient manner.
Octave
GNU Octave is a high-level language, primarily intended for numerical computations.
METIS
METIS is a software package for graph partitioning that implements various multilevel algorithms