What about components.

What is now privileged when we should implement reusable components :
Use components capabilities in Rails (but i understood it's not so
popular) or write plugins?



For various (well discussed) reasons components are out. The Rails way of doing
this generally involved combining partials and helpers. This doesn't
get you 100%
of the way towards widget/component type behaviour though.

Merb has something similar though - Parts. However Merb and Rails are addressing
different ecological niches.

Ok, but finally i should understand we should write plugins ...
My question was effectively about some graphical components or
Widgets, that could be reuse from one project to another.