I maintain that a web framework is probably one of the least interesting things that's enabled by a language like Elixir, a VM like BEAM, and a foundation like OTP... but... for whatever reason web frameworks have become the criteria by which we seem to measure languages these days.
That said. A chat application is really, really well-suited to Elixir.
That said. A chat application is really, really well-suited to Elixir.