Flickr - image and video hosting website
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Clever - syncing between education applications for K-12 schools
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.
Claroline - Claroline is a collaborative eLearning and eWorking platform.