Foursquare - Foursquare is all about helping you find new ways to explore your city.
Flickr - image and video hosting website
Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.
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.