I think others have covered this question well, but for my $0.02 - I've found it easy to write code in Nim that's half the size of and easily out performs (and has increased predictability, which is the big + for me) than Java/Node/etc.
The default runtime also doesn't have stop the world pauses and uses a similar message passing mechanism to Go.
The default runtime also doesn't have stop the world pauses and uses a similar message passing mechanism to Go.