
The Python Software Foundation License (PSFL) is a
BSD-style,
permissive software license
A permissive software license, sometimes also called BSD-like or BSD-style license, is a free-software license which instead of copyleft protections, carries only minimal restrictions on how the software can be used, modified, and redistributed, ...
which is
compatible with the
GNU General Public License (GPL).
Its primary use is for distribution of the
Python project software and its documentation.
Since the license is
permissive, it allows
proprietization of the
derivations. The PSFL is listed as approved on both
FSF's approved licenses list,
and
OSI's approved licenses list.
In 2000, Python ''(specifically version 2.1)'' was briefly available under the
Python License
The Python License is a deprecated permissive computer software license created by the Corporation for National Research Initiatives (CNRI). It was used for versions 1.6 and 2.0 of the Python programming language, both released in the year ...
, which is incompatible with the GPL. The reason given for this incompatibility by
Free Software Foundation was that "''this Python license is governed by the laws of the 'State of Virginia', in the USA''", which the GPL does not permit.
Guido van Rossum, Python's creator, was awarded the 2001
Free Software Foundation Award for the Advancement of Free Software for changing the license to fix this incompatibility.
See also
*
Python Software Foundation
*
Software using the PSF license (category)
References
External links
The Python Software Foundation License
Free and open-source software licenses
Python (programming language)
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