Main Page | See live article | Alphabetical index OSE may be: An acronym for Operating System Embedded, a real-time operating system created by the Swedish firm ENEA. An abbreviation for OPENSTEP Enterprise, NeXT's offering of the OpenStep platform for the Microsoft Windows operating system. The abbreviation for Organismos Sididromon Elleniki, the Hellenic Railways Organisation, the state railway of Greece. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.