We just added official support for Elixir in ejabberd,
You can now develop for ejabberd any type of module with Elixir modern Ruby-inspired syntax. Enjoy !
Code is in ejabberd master branch:
It will also be added in ejabberd next official release / package.
You can read more details on the following blog post: https://blog.process-one.net/ejabberd-joins-the-elixir-revolution/
Let's build some great modules in Elixir :)