House BeautifulIs open kitchen shelving a trend or here to stay"  Well, they have been around in home and restaurant kitchens for generations.  And they are definitely having a resurgence right now! 

Why"

1.  They are fun to style and make a nice focal point2.  Easy to access items3.  Usually less expensive than upper cabinets
Sherry Hart's Kitchen
With or without brackets"Stained or painted"Wood, glass or metal"
Becki Owens
I really like the texture of the tiled backs.Our House Blog's Kitchen

Domino

I love this look, too, but worry about keeping glass shelves clean so near a cooktop.Napa Showhouse
Homebunch
Wish I had a photo, but for our kitchen in Paris we installed
IKEA stainless shelves like these. Evans-Cucich-Hayden House, Atlanta, GA | Images Courtesy of Atlanta Homes & Lifestyles | Photographed by Erica George Dines
Domino

Cindy's fixer upper for re-sale (check out the before and after)with shelves surrounding a cooktop hood.The Polished Pebble
Decorpad

You can get this look by removing cabinet fronts.
Check out the styling with baskets and stacked plates.
Domino
Or doing a mix of open and glass covered shelves, like I did...
You could purchase a free standing 
baker's rack like in the back ground...
Some source ideas...Look for reclaimed wood in your area or on Etsy.
Or use paint or Minwax to stain wood from your local lumbar yard.
Shelf brackets... (I've used a lot of these)...R...