Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
imgbox - Imgbox is a free image hosting service.
Flickr - image and video hosting website
BlueMelon - BlueMelon is a premium photograph sharing web benefit, accommodating capacity and online offer of pictures.
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.
23 hq - Keep all your photographs in one safe place.