What are some alternatives?
When comparing Phot-Awe and ShoeBox, you can also consider the following products
PhotoALBM - Online social photo sharing community.
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.
Flickr - image and video hosting website
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
TexturePacker - Texture Packer is hands down the best sprite sheet generation tool on the market.
Buddy Image - Buddy image is an image hosting site with unlimited storage, and up to 8mb per image.