This is the Phobos standard library that comes with the D2 compiler.

QGIS is a Geographic Information System (GIS) which manages, analyzes and display databases of geographic information.

This package contains files common to all languages and libraries contained in the GNU Compiler Collection (GCC).

This is the GNU C compiler, a fairly portable optimizing compiler for C.

McStas is a tool for carrying out Monte Carlo ray-tracing simulations of neutron scattering instruments with high complexity and precision. The simulations can compute all aspects of the performance of instruments and can thus be used to optimize the use of existing equipment, design new instrumentation, and carry out virtual experiments for e.g. training, experimental planning or data analysis.

KDE Input/Output framework provides a single API for operating on files, whether local or on a remote server. Additionally, KIO Slaves provide support for individual protocols. Some particularly useful ones are http, ftp, sftp, smb, nfs, ssh (fish), man, tar and zip.