InstaBro - Powerful-yet-simple Instagram browser and data exporter
Flickr - image and video hosting website
vu - Dead simple Instagram client for Mac
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Pixotale - Create and share visual stories
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.