imgbox - Imgbox is a free image hosting service.
Libris - Libris is an asset management for photos and videos.
Flickr - image and video hosting website
picinfinity - Picinfinity is an image retaining/proxy site.
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.
Imagesocket - A different kind of image hosting