Nextdoor Holdings, Inc. provides Nextdoor platform, which enables neighbors and organizations to build an engaged community of neighbors, businesses and public services that can be depended on to exchange valuable information, goods and services. Neighbors can discover and interact with local businesses, leave recommendations, and follow their Faves on the platform. Neighbors can utilize a local marketplace, for sale and free, to buy, sell, or give away items, and offer services such as dog walking. Its customers can find posts, photos and discussions in the feed, discover nearby neighbors, groups, businesses, events, and items through a nativized maps surface in the discover tab, and search for specific content and organizations through its search feature. Its platform provides neighbors the ability to use generative artificial intelligence (AI) and has integrated AI into the Kindness Remainder. It offers advertising solutions designed to generate tangible value for businesses.