ACDSee - ACDSee is an image viewer that uses very little system resources, and it has a small, sleek size that won't take up much space on your system.
Flickr - image and video hosting website
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Polarr - MacOS, Windows, iOS, Android and online photo editing tools & free photo editors.
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.