Flickr - image and video hosting website
Observable - Interactive code examples/posts
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
nbviewer.org - Rackspace server host Jupyter Notebooks from your github repo
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.
Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.