26

Source available is a common term used to describe such licenses.


20

The term "open source" has a broad base of speakers who use the term to refer strictly to software licensed under terms in compliance with the Open Source Initiative's Open Source Definition document. I am unaware of any community of speakers that acknowledges a formal definition for "open software." Broadly, "open" might indicate some ability to integrate ...


19

As the other answer says, "open software" is not generally used as a synonym for "open source software". If I heard a vendor describe their application as "open and flexible", I would generally interpret that as meaning that it provides many hooks for customizing the behavior, but without actually making the source code available. As a result, you're ...


15

The concept of an open system in engineering predates the concept of open source by a few decades. The use and popularity of the concept in software development occurred roughly the same time as, if a bit earlier than, open source - with the development and rise of Unix in the 1980s. An open software is one that can be easily integrated with other software. ...


3

wasm-git (and the libgit2 library it is built around) use the GPLv2 with linking exception. This exception reads: In addition to the permissions in the GNU General Public License, the authors give you unlimited permission to link the compiled version of this library into combinations with other programs, and to distribute those combinations ...


2

"Open" and "flexible" are meaningless marketing terms. It's like saying that a breakfast cereal is "natural" or "nutritious". There are no standard definitions of "natural" or "nutritious". Your hand can be described as "open and flexible", but it's definitely not open-source. (Technically, it can even be described as "natural and nutritious", but let's ...


1

I think technically speaking it's more likely that "free software" is a subset of "open-source software" because the freedoms of modification and distribution of such, as defined by FSF's four essential freedoms, require the access to the source code. Nevertheless, as two institutions in the reality, FSF and OSI may have different ...


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