Observium is a PHP/MySQL driven Network Observation and Monitoring platform, that supports a wide range of operating systems/hardware platforms including, Linux, Windows, FreeBSD, Cisco, HP, Dell, NetApp and many more. Observium gathers data from devices with the help of SNMP and display those data in graphical pattern via a web interface. It makes hefty use of the RRDtool package. It has a number of thin core design goals, which includes collecting as much historical information about devices, being totally auto-discovered with slight or no manual interruption, and having a very simple yet powerful interface.

Optical Communications Associate (OC-A) by Ciena

Optical Communications Professional (OC-P) by Ciena

Oracle certifications OCA (Oracle Certified Associate)

Oracle certifications OCE (Oracle Certified Expert)

OMG-Certified Expert in BPM (OCEB) Fundamental by Object Management Group (OMG)

Oracle certifications OCM (Oracle Certified Master)

Oracle certifications OCP (Oracle Certified Professional)

OMG-Certified Real-time and Embedded Systems Specialist (OCRES) Fundamentals by Object Management Group (OMG)

OMG-Certified Systems Modeling Professional (OCSMP) Model User by Object Management Group (OMG)

Oculus VR is an American virtual reality technology company founded by Palmer Luckey and Brendan Iribe. the company's first product, the Oculus Rift, a head-mounted display for immersive technology virtual reality (VR). Oculus Rift software, most notably video games, must be custom programmed to use the Rift. The developer kits are sold on thier website starting september 2012.

OMG-Certified UML Professional (OCUP) Fundamental by Object Management Group (OMG)

Open Data Protocol (OData) is a REST-based data access protocol initially defined by Microsoft for CRUD-style opeations against resources exposed as data services.

ODB++ is a proprietary CAD-to-CAM data exchange format used in the design and manufacture of electronic devices. It was created to try to bring some order to the transfer of board data between design and manufacturing and between design tools from different EDA/ECAD vendors.

Off page SEO refers to techniques that can be used to improve the position of a web site in the search engine results page (SERPs).

A hosted, online version of the traditional installed version of Microsoft Office software. This online service is subscription-based and includes Office, Exchange Online, SharePoint Online, Lync Online and Microsoft Office Web Apps.