iNexi

Restricts posts displayed on the home page to a specified length of time. Posts displayed via widgets or on any other page (archives, etc.) are unaffected. Options are in Settings > Reading.

Daniele Alessandra

With this plugin every contributor will be able to check how his contents look like in every context. 
it works with posts, pages and custom post types as well, and every contributor may enable his own previews (i.e. two or more users may create and navigate their own contents without interfering one another).

Preview Everywhere

Sometimes a single page preview is not enough, with this plugin you’ll be able to check how you contents look like in every context, including home pa …

Recent Posts Only vs Preview Everywhere