Open du Canada | Canada Masters |
Open Group | The Open Group |
Open shortest path first | Open Shortest Path First |
Open Sound System | Open Sound System |
Open Source | Opensource |
Open Source Definition | Open Source Definition |
Open Source Development Labs | OSDL |
Open your eyes | Open Your Eyes |
Open Your Heart | Open Your Heart |
OpenCourseWare | MIT OpencourseWare |
OpenLaszlo | OpenLaszlo |
OpenMosix | OpenMosix |
OpenNap | OpenNap |
OpenPGP | OpenPGP |
OpenSolaris | OpenSolaris |
OpenSUSE | OpenSUSE |
OpenVPN | OpenVPN |
OpenWrt | OpenWRT |
OPEP | Organizzazione dei Paesi Esportatori di Petrolio |
Opera | Opera |
Opera Garnier | Opéra Garnier |
Opera Nazionale Balilla | Opera Nazionale Balilla |
Opera seria | Opera seria |
Opera Software | Opera Software |
Operación Triunfo | Operazione Trionfo |
Operation Barbarossa | Operazione Barbarossa |
Operation Flashpoint | Operation Flashpoint |
Operation Ivy | Operation Ivy |
opercule | tappo |
Opfertshofen | Opfertshofen |
Opfikon | Opfikon |
Ophel | Ophel |
Ophiolite | Ofioliti |
Ophites | Ofiti |
Ophiuchus | Ofiuco |
Ophrys abeille | Ophrys apifera |
Ophrys apifera | Ophrys apifera |
Ophrys araignée | Ophrys sphegodes |
Ophrys bourdon | Ophrys fuciflora |