The proliferation of conflicting graphical user interfaces for Unix has meant good business for the clutch of firms that have developed conversion and communication tools that enables applications to be moved between the various incompatible environments. The latest is Expert Object Corp, Lincolnwood, Illinois, which is readying tools for release later this quarter which produce OSF/Motif source code for DECstation users from SunView source files; DXMconvert is priced at $2,500.