Flickr - image and video hosting website
Couchers.org - The new alternative to Couchsurfing. Non-profit. Community-focused. Well built.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Trustroots - Travellers community for sharing, hosting and getting people together.
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.
Couchsurfing - CouchSurfing is your ticket to explore the world -- from the road or from your own home.