Glitterly - The video editor for making short video clips of your apps
Flickr - image and video hosting website
InVideo.io - Create thumb-stopping videos in mins for just $10/month even if you've never edited a video before!
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Coub - Coub is an app that features GIFs, but the GIFs that you select and send to other people have sounds.
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.