GPL-compatible free software licenses approved by the Free Software Foundation [1].
Gentoo |
FSF |
Comment
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AGPL-3 AGPL-3+
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GNU Affero General Public License (AGPL) version 3
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Apache-2.0 Apache-2.0-with-LLVM-exceptions
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Apache License, Version 2.0
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Artistic-2
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Artistic License 2.0
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Boost-1.0
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Boost Software License
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BSD
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Modified BSD license
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BSD-2
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FreeBSD license
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CC0-1.0
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CC0
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CeCILL-2
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CeCILL version 2
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Clarified-Artistic
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The Clarified Artistic License
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[2]
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Clear-BSD
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The Clear BSD License
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bug #416205
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ECL-2.0
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Educational Community License 2.0
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FTL
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Freetype Project License
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gcc-runtime-library-exception-3.1
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GPL-3 with additional permissions
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GPL-1 GPL-1+ GPL-2 GPL-2+ GPL-3 GPL-3+
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GNU General Public License (GPL)
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GPL-2+-with-openssl-exception GPL-2-with-classpath-exception GPL-2-with-exceptions GPL-2-with-font-exception GPL-2-with-linking-exception GPL-2-with-MySQL-FLOSS-exception GPL-2+-with-Pyinstaller-Bootloader-exception GPL-3+-with-autoconf-exception GPL-3+-with-font-exception GPL-3-with-font-exception GPL-3-with-openssl-exception Transmission-OpenSSL-exception UPX-exception
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GPL with various exceptions, more permissive than GPL
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HPND
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Historical Permission Notice and Disclaimer
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IJG
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Independent JPEG Group License
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ISC
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ISC License
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LGPL-2 LGPL-2+ LGPL-2.1 LGPL-2.1+ LGPL-3 LGPL-3+
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GNU Lesser General Public License (LGPL)
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LGPL-2-with-linking-exception LGPL-2.1-with-linking-exception LGPL-3-with-linking-exception Nokia-Qt-LGPL-Exception-1.1
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LGPL with linking exception, more permissive than LGPL
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libgcc libstdc++
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GPL v2 or later, with additional permissions for linking
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metapackage
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Public Domain
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Non-license for metapackages that install no files, special case of public-domain. Discussed in licenses team (Oct. 2012)
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MIT
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Expat License / X11 License
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commonly referred to as the MIT License
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MPL-2.0
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Mozilla Public License (MPL), Version 2.0
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OPENLDAP
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OpenLDAP License, Version 2.7
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PSF-2 PSF-2.4
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License of Python 2.0.1, 2.1.1, and newer versions
|
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public-domain
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Public Domain
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PYTHON
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License of Python 1.6a2 and earlier versions
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qwt
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LGPL-2.1 with exceptions, more permissive than LGPL, bug #394663
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Ruby
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License of Ruby
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This is the old version, allowing the alternative use of the GPL
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Ruby-BSD
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License of Ruby
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This is the new version, allowing the alternative use of the 2-clause BSD license
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SGI-B-2.0
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SGI Free Software License B, version 2.0
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Sleepycat
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Berkeley Database License
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bug #300426
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tanuki-community
|
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just GPL and BSD-alike [3]
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Unicode-DFS-2016
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Unicode, Inc. License Agreement for Data Files and Software
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Unlicense
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The Unlicense
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UoI-NCSA
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NCSA/University of Illinois Open Source License
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vim
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License of Vim, Version 6.1 or later
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W3C
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W3C Software Notice and License
|
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WTFPL-2
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WTFPL, Version 2
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wxWinLL-3.1
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WxWindows Library License
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ZLIB
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License of ZLib
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ZPL
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Zope Public License, versions 2.0 and 2.1
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