Flickr - Flickr is an online photo management and sharing application in the world. Show off your favorite photos and videos to the world.
Google Photos - Organize and find your photos. Need to have a Google account.
Shutterfly - Create photo books, buy cards and stationery, and share photos with family and friends at Shutterfly.com.
Snapfish - Your free Snapfish account gets you online digital photo printing, free online photo albums, free digital photo sharing services, and fun photo gifts.