For me, Elixir fits the bill as a Ruby replacement better than Crystal does. Elixir is more mature and its community and tools are similar to Ruby, making the

For me, Elixir fits the bill as a Ruby replacement better than Crystal does. Elixir is more mature and its community and tools are similar to Ruby, making the upgrade path easier, I think. At least that was the case for me after trying both. I also have come to love the functional aspect of Elixir over Crystal's (and Ruby's) focus on OOP.