curlew : Easy to use and Free Multimedia Converter for Linux ( https://github.com/chamfay/Curlew )
gnome-mpv : A simple GTK+ frontend for mpv ( https://gnome-mpv.github.io/ )
peek : Simple animated Gif screen recorder ( https://github.com/phw/peek )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a frabjous
For Paludis use this rsync : rsync://gentoo.zugaina.org/frabjous-portage
If you have a problem : ycarus(-at-)zugaina.org