bat : A 'cat' clone with syntax highlighting and Git integration ( https://github.com/sharkdp/bat )
genact : A nonsense activity generator ( https://github.com/svenstaro/genact )
watchexec : Executes commands in response to file modifications ( https://github.com/mattgreen/watchexec )
watchman : An inotify-based file watching and job triggering command line utility ( https://facebook.github.io/watchman )
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