canfep : Canna Japanese kana-kanji frontend processor on console ( https://web.archive.org/web/20170517105759/http://www.geocities.co.jp/SiliconValley-Bay/7584/canfep/ )
canna : A client-server based Kana-Kanji conversion system ( http://canna.osdn.jp/ )
fcitx-skk : An input method engine for Fcitx ( https://gitlab.com/fcitx/fcitx-skk )
im-canna : Japanese Canna input method module for GTK+2 ( http://bonobo.gnome.gr.jp/~nakai/immodule/ )
scim-canna : SCIM IMEngine module using Canna ( https://osdn.net/projects/scim-imengine )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a guru
For Paludis use this rsync : rsync://gentoo.zugaina.org/guru-portage
If you have a problem : ycarus(-at-)zugaina.org