Flickr - image and video hosting website
Dropbox - Online Sync and File Sharing
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Google Drive - Access and sync your files anywhere
PhotoPrism.app - PhotoPrism® is an AI-Powered Photos App for the Decentralized Web. It makes use of the latest technologies to tag and find pictures automatically without getting in your way. You can run it at home, on a private server, or in the cloud.
Mega - Secure File Storage and collaboration