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.
Image Hunter - Image Hunter – Search By Image is a tool that allows you to upload an image or images directly from your mobile device and find all the other existing sources of the image on Google.
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.
JS Image Finder - JS Image Finder: Image Search is a powerful, simple, and easy to use application that allows you to search for images from the internet using popular search engines.
Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.
Camera Roll - Simple Gallery App for Android, with lovely Material Design.