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Proprietary software is a subset of non-free software, a term defined in contrast to free and open-source software; non-commercial licenses such as CC BY-NC are not deemed proprietary, but are non-free. Proprietary software may either be closed-source software or source-available software. [1] [2] Types. Origin.
The license was the first copyleft for general use, and was originally written by Richard Stallman, the founder of the Free Software Foundation (FSF), for the GNU Project. The license grants the recipients of a computer program the rights of the Free Software Definition.
- 25 February 1989
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proprietary software, software developed by an individual or company that chooses not to publicly share the program’s source code. This allows the software’s creator to control its distribution. One of the key features of proprietary software is that it is legally owned by the individual, organization, or company that creates it.
Proprietary software (or closed source software) does not let people see or change source code of the computer software. It is the opposite of free software. Proprietary software is usually created by businesses who want to sell their software, but some programs that are free to use are still proprietary because the user is not allowed to ...
A software licence is a legal instrument (usually by way of contract law, with or without printed material) governing the use or redistribution of software.
a single license. In the fall of 1985, the question arose of how to license the X Window System20 that was being developed by Jim Gettys21 and Bob Scheifler22 for MIT Project Athena.23 In discussions parallel to those of two years earlier, they had noticed that proprietary licensing of early versions of the X Window System was becoming a hassle
