It appears like Emojione is no longer under a DFSG-compatible license. Emojitwo is a fork of Emojione before the licensing change.
https://github.com/EmojiTwo/emojitwo By the way, my understanding is that the new GNOME color emoji feature requires these: 1. gtk+3.0 3.22.18 (in testing) 2. pango1.0 1.40.9 (in unstable) 3. fontconfig 2.12.5 (not released yet) 4. cairo 1.15.7 (not released yet, it's the "development" branch) 5. A suitable font. See this list: https://cgit.freedesktop.org/fontconfig/tree/conf.d/45-generic.conf The Noto Emoji ITP is https://bugs.debian.org/848198 Thanks, Jeremy Bicha