Darktable - darktable is an open source photography workflow application and raw developer.
Flickr - image and video hosting website
Adobe Lightroom - Adobe Lightroom is a family of image organization and image manipulation software.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
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.