carla : Fully-featured audio plugin host, supports many audio drivers and plugin formats ( https://kx.studio/Applications:Carla )
csoundqt : The default frontend for Csound ( https://csoundqt.github.io/ )
eartag : A simple music tag editor. ( https://gitlab.gnome.org/knuxify/eartag )
klystrack : A really cool fakebit tracker ( http://kometbomb.github.io/klystrack/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a flewkey-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/flewkey-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org