ZETA was an effort to bring BeOS up to date, adding support for newer hardware, and features that had been introduced in other operating systems in the years since Be Incorporated ceased development in 2001. Among the new features were USB 2.0 support, SATA support, samba support, a new media player, and enhanced localization of system components. Unlike Haiku and other open source efforts to recreate some or all of BeOS's functionality from scratch, ZETA was based on the actual BeOS code base, and it is closed source.