system environment/libraries
- ast - A library for handling World Coordinate Systems in astronomy
- ast-devel - Development libraries and headers for ast
- ast-doc - Documentation for ast
- libdvdplay - A library providing low-level functions for DVD reading and seeking
- linc - Library for writing network programs
- qfits-libs - A stand-alone general purpose FITS library
- rhpl - Library of Python code used by installation and configuration tools