PBX may refer to:
*
Pakubuwono X, the tenth ''Susuhunan'' of Surakarta in Java, Indonesia
*
Polymer-bonded explosive
*
Pre-B-cell leukemia homeobox
*
Private branch exchange
A business telephone system is a telephone system typically used in business environments, encompassing the range of technology from the key telephone system (KTS) to the private branch exchange (PBX).
A business telephone system differs from ...
, a telephone exchange that serves a particular business or office
*''
PBX Funicular Intaglio Zone'', a 2012 album by John Frusciante
*PBX, a rewrite of the
Project Builder
Project Builder was an integrated development environment (IDE) originally developed by NeXT for version 3 of the NeXTSTEP operating system by separating out the code editing parts of Interface Builder into its own application.
After Apple Compu ...
IDE for Mac OS X systems, now known as
Xcode
Xcode is a suite of developer tools for building apps on Apple devices. It includes an integrated development environment (IDE) of the same name for macOS, used to develop software for macOS, iOS, iPadOS, watchOS, tvOS, and visionOS. It w ...
*
PhotoBox, a digital photo printing service
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