It's obviously far smaller, but I've had luck so far with everything I need being available. What I've seen, mostly Postgres, Redis, and XML/HTML parsing, have also worked flawlessly so far.

Having performance improvements of 100x in real-world scenarios is just astonishing. Ruby is still my go-to, especially because debugging and console support are so much better. But everything that gives me time to think gets reimplemented.

["crystal lang" <question>] usually works for google.