Packages with the xdg use flag

app-misc / mc : GNU Midnight Commander is a text based file manager

  • Toggles mc's config dir location. Enable for $XDG_CONFIG_HOME/mc, disable for $HOME/.mc

dev-perl / File-HomeDir : Get home directory for self or other user

  • Ensure XDG Semantics for returned paths via x11-misc/xdg-user-dirs

x11-wm / openbox : Standards compliant, fast, light-weight, extensible window manager

  • Install the python xdg files for xdg autostart