Select your Operating System below: 1  OSX 10.11 and newer. 2  OSX 10.10 and older. 3  Click on the Apple logo in the upper-left corner of your screen.  Click on the Apple logo in the upper-left corner of your screen.
Part of the Open source glossary: Also see open and Open Source. In information technology, proprietary describes a technology or product that is owned exclusively by a single company that carefully guards knowledge about the technology or the product's inner workings.n information technology, proprietary describes a technology or product that is owned exclusively by a single company that carefully guards knowledge about the technology or the product's inner workings.
Refers to any computer software that has restrictions on any combination of the usage, modification, copying or distributing modified versions of the software. Proprietary software usually can be distributed at no cost or for a fee.Proprietary software may also be called closed-source software.elated Terms. 1  proprietary. 2  software. 3  SDN-software defined networking. 4  SDE-software defined environment. 5  software-defined servers. 6  Software-Defined Everything-SDE. 7  SDS-software-defined storage. 8  commercial software. 9  remote software. 10  SDDC-software-defined data center.