Yup is a decentralized social all-in-one app that allows users to connect with friends on platforms such as Twitter, Farcaster, Threads, Lens, and Bluesky. The app offers features like native actions (commenting, liking, and reposting), aggregated notifications, cross-following, and engagement with unique posts like articles and NFTs. Users have control over customizing their feeds to see more of what they want. Yup is used and supported by various organizations such as Dapper Labs, Distributed Global, Seed Club, Kernel, Launch House, and Palm Tree Crew.