Comparing and Rating Different Frameworks for Ruby


I was searching for few alternates for Ruby Framework and found quite
few of them on the net.

It would be nice if there is already a detailed comparison available for
them or can be discussed/Rated here based on general opinions and

This would give us a general idea of missing and highlighting points of

Here are few of them. Please add more here if missing.

FRAMEWORKS ( Except Ruby on Rails )

(1) Ramaze :-
(2) Camping:-
(3) Merb :-
(4) Sinatra:-
(5) Nitro/Og:-
(6) NARF:-

It would be nice if supporting web servers are also mentioned along with
your ratings and suggestions.

Thanking you.