And if you split your time between the terminal and the browser and want what amounts to a built-in IDE, OpenBSD is a great answer.
My company is a heavy Docker user, though: dealing with docker-machine & running Docker via a VM on OS X was one of the final straws that caused me to switch. Given that FreeBSD's Docker support is pretty recent (and was still considered beta when I was deciding to switch), and OpenBSD doesn't have any native support at all as far as I know, I felt that the probability of trading one annoyance for a similar one was too high, so Linux was the right choice for me.