The GNU Bourne Again shell

BIND (Berkeley Internet Name Domain), implementation of the Domain Name System (DNS) protocol.

The free peer-reviewed portable C++ source libraries

Data compression program

Tools for updates and queries runlevel information of system services

An NTP client/server

C language family Compiler front-end for LLVM

A cross-platform, open-source build system generator

A set of basic GNU tools commonly used in shell scripts

A GNU archiving program

Kernel analysis utility for live systems, netdump, diskdump, kdump, LKCD or mcore dumpfiles

C implementation of the createrepo

Cron daemon to execute programs at specified times

Crypto policies used by different applications and libraries

A utility for getting files from remote servers (FTP, HTTP, and others)