kotlin-bin : Statically typed programming language for modern multiplatform applications ( https://kotlinlang.org/ )
typescript : TypeScript is a language for application scale JavaScript development ( https://www.typescriptlang.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a jm-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/jm-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org