Joy is a digital platform that helps engaged couples plan their weddings by offering services like gift registries, guest list management, wedding invitations, and smart RSVPs. The platform stands out by providing a zero-fee cash fund for gifts and using artificial intelligence to suggest registry items and wedding hashtags. Expert advice from fashion designer Rachel Zoe enhances the planning experience. Joy's goal is to simplify wedding planning and provide couples with the necessary tools to create their ideal wedding.