Psf License Agreement For Python 3.6.6

This section is an incomplete but growing list of licenses and confirmations for third-party software built into Python distribution. Some software built into Python is under different licenses. Licenses are listed with the code that falls under this license. You will find an incomplete list of these licenses in licenses and confirmations for incorporated Software. In 2000, Python was briefly available under the Python license, which is not compatible with THE GPL. The reason for this incompatibility by the Free Software Foundation was that “this Python license is subject to the laws of the State of Virginia in the United States,” which the GPL does not allow. [2] 2. Subject to the terms of this licensing agreement, PSF grants the purchaser a non-exclusive, free worldwide license for public restoration, testing, production and/or display, preparation of derivative works, distribution and use of Python 3.x, either alone or in a derivative version, provided, however, that PSF`s LICENCE contract and PSF`s copyright declaration, i.e. “Copyright (C) Python Software Foundation; All rights reserved” are kept in Python 3.x alone or in a derivative version created by the licensee. LPG Compatible does not mean that we distribute Python under the GPL. With all Python licenses, unlike GPL, you can distribute a modified version without making your changes open source. GPL-compatible licenses combine Python with other software published under the GPL; not the others. Guido van Rossum, the creator of Python, was awarded the 2001 Free Software Foundation award for the Advancement of Free Software[3] for changing the license to address this incompatibility.

Hashlib, posix, ssl, crypt modules use the OpenSSL library for additional performance when provided by the operating system. In addition, Windows and Mac OS X installers for Python can get a copy of The OpenSSL Libraries, That is why we are adding here a copy of the OpenSSL license: the C14N 2.0 test collection in the test pack (Lib/test/xmltestdata/c14n-20/) was accessed by the W3C website for and distributed under the BSD 3 clause license: In May 2000, Guido and the python nuclear development team moved to, to form the BeOpen PythonLabs team. In October of the same year, the PythonLabs team joined Digital Creations (now Zope Corporation; see In 2001, the Python Software Foundation (PSF, see was established, a non-profit organization created specifically for Python-related intellectual property. Zope Corporation is a promotional member of the PSF.

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