- Functional Programming for the Object Oriented Programmer: Th examples are in Clojure but are easy to translate to Elixir. Nice, simple transition book.
- Programming Elixir: The canonical book written by Dave Thomas
- Seven Languages in Seven Weeks: Fantastic for stretching your brain towards FP
- SICP: This one's a beast, and a must read.
- Out of the Tarpit: There's plenty of others... but this is a great place to start if you haven't read it.
- Elixir Sips: Very much in the spirit of Ruby Tapas. Excellent.
- NashFP: My favorite meetup in town. A fantastic crowd of people.
- Nashville Lisp Sync: Every third Thursday at 6 PM at JJ's Market. Not specifically FP but everyone there is a good resource.
- Intro to Functional Programming in Scala: Taught by Martin Odersky him self. it's made way through at the time of this writing but it happens about twice a year.
- Programming Languages: Another great one.
- Elixir Docs: They're fantastic
- Phoenix Framework: Good code base to look at. Even better community to talk to.
- Plug: Elixir's Rack (but better)
- Functional Programming in Object Oriented Languages
- Hamster: Interesting Ruby library