HDF (Hierarchical Data Format) is a general
purpose library and file format for storing
scientific data. It arranges data into datasets
(multidimensional arrays) and groups (a structure
for organizing objects).
GNU-Darwin aims to be the most free Darwin-based Unix distribution. Our mission is two-fold: focus on new projects that leverage the unique capabilities of Darwin/Mach, and help Apple users to enjoy the benefits of free software.