Neovim

It's vim without the autistic pre-ANSI-style spaghetti code that keeps it working on Soviet terminals from the 1970s.

True async.

What's not to like? Fuck vim

Should I use Neovim, or should I keep using vim since it's more likely to be available on any machine I use

Emacs .......

How did you measure your hours with vim? Are you sure you were less productive or that you just like sublime more because it looks better?

Also needed:
command Wq wq