Blyth Software Inc, Foster City, California has released the MS-DOS with MS Windows version of its Omnis 5 relational and hierarchical database at $800 single-user, $100 for each additional user: Omnis 5 for the Macintosh was released in June, and a version of OS/2 Presentation Manager will be released shortly – and applications and data can be shared with the OS/2 Presentation Manager and Macintosh versions on a mixed network, Blyth says.