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.
Freeware, not to be confused with free software, is a type of proprietary software that is offered for use free of monetary charges. However, as is the case with other types of proprietary software, there are generally severe restrictions on its use and the source code is kept secret.roprietary software is software that is owned by an individual or a company (usually the one that developed it). There are almost always major restrictions on its use, and its source code is almost always kept secret.