Similar to バスク民族主義党
OpenMoko
OpenmokoOpenMosix
OpenMosix
OpenRC
OpenRCOpenRefine
OpenRefineOpenServer
OpenServer
OpenSUSEプロジェクト
OpenSUSE ProjectOptics Express
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Optics Letters
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Orca
Orca (assistive technology)
ORCA (量子化学プログラム)
ORCA (quantum chemistry program)
ORCID
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OSDN
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Otter (ソフトウェア)
OW2 Consortium
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PAOKテッサロニキ
PAOK FC
PDFtk
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Phabricator
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イタリア共和党
Italian Republican Party