Flickr - image and video hosting website
Bulk Image Downloader - With Bulk Image Downloader you can download full sized images from almost any web gallery.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Vov Picture Downloader - Download pictures from websites.
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.
Extreme Picture Finder - Extreme Picture Finder is a powerful batch image downloader.