- Application Development - gcc, g++, gdb, rpm, cvs, automake, autoconf, libtool, git, subversion, gettext - GNU base utilities - gawk, m4, indent, sed, tar, diffutils, findutils, grep, coreutils - Programming Languages - perl, python, ruby, php - System Utilities - emacs, vim, bzip2, gzip, rsync, wget, lsof, less, samba, zip, unzip - Libraries - ncurses, readline, libxml2, libyaml, libpng, libjpeg, slang, db, glib2, zlib, gtk+ - System Shells - bash, tcsh, zsh - Software Managment - YUM - Developing graphical user interface - gtk2+ - Cloud environment - cloud-init, python-swift