Assuming this wasn't asked sarcastically (the ellipses just make it seem so) Elixir: FP language with Ruby-esque syntax based off of Erlang and its VM BEAM. Pa

Assuming this wasn't asked sarcastically (the ellipses just make it seem so) Elixir: FP language with Ruby-esque syntax based off of Erlang and its VM BEAM. Part of the Elixir ecosystem is a webdev framework called Phoenix which is effectively Elixir's version of Rails. OTP: A set of libraries/utilities that are a part of the Erlang/Elixir ecosystem that help support building fault-tolerant and concurrent applications. It was originally designed for building telecom systems, hence the name Open Telecom Platform.