Drp.io - Free, easy and anonymous image hosting
Flickr - image and video hosting website
Mfile - Simple, fast, free photo galleries. No login required.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
gpic - Either you are posting something on Reddit, DEV, Indiehackers, or any other place, you need to host your images somewhere.
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.