app-admin
app-antivirus
app-arch
app-backup
app-benchmarks
app-cdr
app-crypt
app-dicts
app-editors
app-emulation
app-forensics
app-laptop
app-misc
app-office
app-pda
app-portage
app-text
app-vim
dev-cpp
dev-db
dev-games
dev-java
dev-lang
dev-libs
dev-perl
dev-php
dev-python
dev-ruby
dev-tcltk
dev-tex
dev-util
games-action
games-arcade
games-board
games-emulation
games-engines
games-fps
games-puzzle
games-rpg
games-sports
games-util
gnome-extra
kde-misc
mail-filter
media-gfx
media-libs
media-plugins
media-radio
media-sound
media-tv
media-video
net-analyzer
net-dialup
net-dns
net-firewall
net-fs
net-ftp
net-im
net-libs
net-mail
net-misc
net-nds
net-news
net-nntp
net-p2p
net-print
net-wireless
net-zope
sci-astronomy
sci-biology
sci-calculators
sci-chemistry
sci-electronics
sci-libs
sci-mathematics
sci-visualization
sys-apps
sys-auth
sys-cluster
sys-devel
sys-fs
sys-libs
sys-power
sys-process
www-apache
www-apps
www-client
www-misc
www-servers
x11-apps
x11-drivers
x11-libs
x11-misc
x11-plugins
x11-terms
x11-themes
xfce-base
xfce-extra