acct-group

dev-tex

sci-libs

acct-user

dev-texlive

sci-mathematics

app-accessibility

dev-util

sci-misc

app-editors

dev-vcs

sci-ml

app-misc

games-misc

sci-physics

app-office

games-roguelike

sci-visualization

app-portage

mail-client

sys-apps

app-text

media-gfx

sys-fs

dev-build

media-libs

sys-kernel

dev-cpp

media-plugins

www-apps

dev-lang

media-sound

www-misc

dev-libs

media-video

x11-apps

dev-ml

net-im

x11-libs

dev-perl

net-libs

x11-plugins

dev-python

net-misc

x11-terms

dev-qt