What is the difference between Gulp VS Grunt VS Gear VS KOALA?

Question

Grunt.js

Help razobartsya what are the differences and what is the best compiler?
Is there a significant difference between GRUNT and KOALA?

Answer 1

I don't know anything about the last two, but the first two are definitely not COMPILERS !
These are assemblers, they perform tasks one after another, following the rules that you tell them. Of course, as one of the tasks, you can tie compilation, for example, CoffeeScript to JavaScript, but the ground from this does not become a compiler - it's still a assembler.
And about the comparison of the first two articles, in general , a dime a dozen