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. The CEalign module is distributed with ProDy. The ORIGINAL CE method was developed by Ilja Shindyalov and Philip Bourne. The Python version used by ProDy is developed by Jason Vertrees and is available under the new BSD license: the Python license is an outdated software license created by the Corporation for National Research Initiatives (CNRI).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 published in 2000. Starting with Python 3.8.6, examples, recipes and other codes are doubly conceded in the documentation under the PSF license agreement and the Zero-Clause BSD license. 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. Python was created by Guido van Rossum and the original copyright was held by his employer, the Centrum Wiskunde – Informatica (CWI). Meanwhile, Python was distributed under a GPL-compatible variant of the Historical Permission Notice and Disclaimer license. [3] CNRI acquired the ownership of Python when Van Rossum was employed there, and after a few years they created a new license for the language. Python Software Foundation License (PSFL) is a BSD-style free software license that is compatible with the GNU General Public License (GPL). [1] Its main use is the distribution of The Python project software. Unlike the GPL, the Python license is not a copyleft license and allows the distribution of modified versions without a source code. The PSFL is allowed on both the FSF`s list of licenses[1] and the list of approved OSI licenses. The Python license is similar to the BSD license and, although it is a free software license, its wording in some versions meant that it was incompatible with the Gnu General Public License (GPL), used by a large amount of free software, including the Linux kernel. CNRI withdrew the license in 2001, and the license for the current versions is the property of the Python Software Foundation license.

[2] Some files are explicitly doubly granted under your “Biopython License” or “BSD 3-Clause License” (both are specified in full below). It is with the intention of proposing all biopythons later as part of this dual licensing approach. The Python license contains a clause stating that the license is managed by the State of Virginia, United States. The Python Software Foundation license; Python 1.6.1 differs from Python 1.6 only in some minor patches and new license conditions compatible with the GPL. [Citation required] 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] 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.

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