Global USE flags

Flag Description Packages
X 2
debug 2
doc 3
test 2

Local USE flags

app-admin

keepassxc

Flag Description
autotype Add support to autotype the passwords into other applications
browser Enable communication with web browser plugins
keeshare Enable KeeShare sharing integration
keyring Enable support for use as the the system keyring
network Enable network support (e.g. for downloading favicons)
ssh-agent Use KeePassXC to unlock SSH keys
yubikey Enable database unlocking via hardware keys supporting YubiKey-style HMAC-SHA1 protocol

reprepro

Flag Description
archive Enable archive support using <pkg>app-arch/libarchive</pkg>
bzip2
gpg Enable gpgme support using <pkg>app-crypt/gpgme</pkg>
lzma

dev-inferno

inferno

Flag Description
cjson Add fast JSON tokenizer module for Limbo.
ipv6
source

media-fonts

developer-font

Flag Description
inferno Install fonts for OS Inferno.
pcf Install Portable Compiled Font (required for X11).
psf Install PC Screen Font with unicode data (for linux console).
raw Install RAW font data which should be compatible with most UNIX systems (you don't need this on linux).

sys-auth

elogind

Flag Description
acl
audit
cgroup-hybrid Use hybrid cgroup hierarchy (OpenRC's default) instead of unified.
pam
policykit
runit Use runit instead of openrc.
selinux