app-admin

dev-qt

net-voip

app-backup

dev-ruby

sci-biology

app-crypt

dev-util

sci-electronics

app-editors

dev-vcs

sci-mathematics

app-eselect

games-rpg

sci-misc

app-misc

kde-misc

sys-apps

app-mobilephone

media-fonts

sys-fs

app-office

media-gfx

sys-kernel

app-portage

media-libs

sys-process

app-shells

media-sound

virtual

app-text

net-analyzer

www-apps

dev-db

net-firewall

www-client

dev-go

net-im

www-servers

dev-java

net-irc

x11-apps

dev-libs

net-libs

x11-drivers

dev-perl

net-misc

x11-misc

dev-php

net-p2p

x11-plugins

dev-python