app-antivirus
app-arch
app-crypt
app-dicts
app-emacs
app-pda
app-text
dev-cpp
dev-db
dev-embedded
dev-java
dev-lang
dev-libs
dev-php
dev-tcltk
dev-util
games-arcade
mail-client
mail-filter
media-gfx
media-libs
media-sound
net-fs
net-ftp
net-irc
net-nds
net-wireless
net-www
sci-calculators
sys-auth
sys-fs
sys-libs
sys-power
www-client
www-apache
x11-drivers
x11-libs
virtual