libcava : Console-based Audio Visualizer for Alsa ( https://github.com/LukashonakV/cava/ )
vma : Easy to integrate Vulkan memory allocation library ( https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a vimproved
For Paludis use this rsync : rsync://gentoo.zugaina.org/vimproved-portage
If you have a problem : ycarus(-at-)zugaina.org