elixir : Elixir programming language ( https://elixir-lang.org )
erlang : Erlang programming language, runtime environment and libraries (OTP) ( https://www.erlang.org/ )
go : Boostrap Go from C (useful for musl libc) ( https://golang.org/doc/install/source )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a lanodanOverlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/lanodanOverlay-portage
If you have a problem : ycarus(-at-)zugaina.org