Flickr - image and video hosting website
Squarespace Start - Build a simple website right from your mobile phone.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Softr - From zero to a website in 5 mins, using building blocks.
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.
GoCentral from GoDaddy - Mobile friendly website/store builder with marketing tools