Auth0 was bought by Okta in 2021.
Auth0 is the first identity management platform for application builders, and the only identity solution needed for custom-built applications. With a mission to secure the world’s identities so innovators can innovate, Auth0 provides the simplicity, extensibility, and expertise to scale and protect identities in any application, for any audience. Auth0 secures more than 100 million logins each day, giving enterprises the confidence to deliver trusted and elegant digital experiences to their customers around the world.