Flickr - image and video hosting website
Elyse - The free version allows up to 30 tags.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
DEVONthink - DEVONtechnologies develops DEVONthink, DEVONagent, and other Mac and iOS apps for document and information management and web research.
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.
Leap - With Leap you find things based on your natural memory of that file.