An open-source standard for packaging and distributing software applications for virtual machines (VM).  An OVF package contains multiple files in a single directory. 

A file format for documents, spreadsheets and presentations that is intended for use with the 2007 and later versions of the Microsoft Office suite. It is freely available and can be implemented by anyone using a recent version of Windows.

Open-source software (OSS) is computer software with its source code made available and licensed with a license in which the copyright holder provides the rights to study, change and distribute the software to anyone and for any purpose. Open-source software is very often developed in a public, collaborative manner.

A free open source operating system based upon the Berkeley Software Distribution (BSD) for UNIX.

A protocol that allows a server to tell network switches where to send packets. With OpenFlow, the packet-moving decisions are centralized, so that the network can be programmed independently of the individual switches and data center gear.

The computer industry's standard Application Program Interface (API) for defining 2-D and 3-D graphic images. OpenGL specifies a set of "commands" or immediately executed functions. 

A decentralized single sign-on authentication system for the Internet. The goal of the OpenID initiative is to allow users to log in at websites around the Internet with one ID, instead of having to create multiple unique accounts.

The first enterprise-grade network management platform developed under the open source model. It was designed to manage tens of thousands of devices from a single server as well as manage unlimited devices using a cluster of servers. 

OpenShift is RedHat's cloud development Platform as a Service (PaaS). The free and open source cloud-based platform allows developers to create, test and run their applications and deploy them to the cloud.

OpenSSL is an open-source implementation of the SSL and TLS protocols. The core library, written in the C programming language, implements the basic cryptographic functions and provides various utility functions.

An open source platform-as-a-service (PaaS) initiative for creating and managing large groups of virtual private servers in a cloud computing environment.

A bundled group of content management software made by Open Text Corporation, whose programs include document management, record management, email management and web content management.

A file format for scalable (outline) font files that extends the existing TrueType font file format used by Microsoft Windows and Apple Macintosh operating systems. 

A multitasking and multiprocessing operating system based on VMS. It  runs in both its VAX and Alpha computers. 

The program that, after being initially loaded into the computer by a boot program, manages all the other programs in a computer. 

An approach to data analysis that enables decisions based on the real-time data companies generate and use on a day-to-day basis. Typically, the data is queried from within an organization's enterprise applications.