Flickr - image and video hosting website
Open Camera - Open Camera is an open-source camera app for Android phones and tablets.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Secure Camera - Modern camera app focused on privacy and security with QR & barcode scanning.
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.
PhotonCamera - Android Camera that uses enhanced image processing.