Img.vision - Image hosting & video hosting for eCommerce sellers
Google Photos - All your photos are backed up safely, organized and labeled automatically, so you can find them fast, and share them how you like.
UploadHouse - Thumbnail and resize your photos and images
digiKam - Professional Photo Management with the Power of Open Source
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.
Manual Camera for iPhone - Custom exposure for your iPhone camera