PixelFed - PixelFed is a federated image sharing platform, powered by the ActivityPub protocol.
imgbox - Imgbox is a free image hosting service.
PhotoStructure - PhotoStructure is a complete photo and video management application designed for the whole family.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
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.
ImgBB - Upload and share your images.