Object-Oriented Fortran was an object-oriented extension of Fortran produced by Absoft Corporation as part of their series of Fortran compilers. In Object-Oriented Fortran, data items could be grouped into objects, which can be instantiated and executed in parallel. It was available for Solaris, IRIX, NeXTSTEP, iPSC, and nCUBE, [1] [2] but is no longer supported.
Object-oriented features are now fully integrated into standard Fortran, since Fortran 2003. [3] [4]