Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
cubeupload - Share images online with zero compression, completely free.
Flickr - image and video hosting website
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.
Photobucket - Photobucket offers image hosting and free photo and video sharing.
LibrePhotos - A self-hosted open source photo management service. This is the repository of the backend. - GitHub - LibrePhotos/librephotos: A self-hosted open source photo management service. This is the reposi...