Ruby. Not Ruby+Rails, just pure Ruby. If you take away the Rails ecosystem, Ruby starts to feel like an old (but lovely) language. Many non-Rails gems (librarie

Ruby. Not Ruby+Rails, just pure Ruby. If you take away the Rails ecosystem, Ruby starts to feel like an old (but lovely) language. Many non-Rails gems (libraries) haven't been updated for at least five years, if not ten -- so I end up rewriting a lot of stuff myself. I enjoy it, actually. Quite peaceful.