Snapwood Apps

SmugFolio for SmugMug HD

Free

Comprehensive Photo Management with SmugFolio

FlickFolio for Flickr

Free

FlickFolio: A Comprehensive Photo Management App

Google Drive Photos - gFolio

Paid

gFolio is a great Google Drive photo app. It optionally auto downloads your photos for fast local viewing, even when you're offline. .: Show Off...