License groups/OSI-APPROVED

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Open-source licenses approved by the Open Source Initiative [1].


Open-source licenses that are free. This excludes the licenses from the OSI-APPROVED-NONFREE set. We keep Artistic because Debian considers it DFSG-free.

Gentoo OSI Comment
0BSD Zero-Clause BSD
AFL-3.0 Academic Free License 3.0
AGPL-3 AGPL-3+ GNU Affero General Public License version 3
Apache-1.1 Apache Software License version 1.1
Apache-2.0 Apache License version 2.0
APL-1.0 Adaptive Public License 1.0
APSL-2 Apple Public Source License 2.0
Artistic Artistic License 1.0 Artistic License (Perl) 1.0 Includes both the original Artistic License and the license distributed with Perl which are OSI-approved.
Artistic-2 Artistic License 2.0
Boost-1.0 Boost Software License 1.0
BSD The 3-Clause BSD License
BSD-2 The 2-Clause BSD License
CDDL Common Development and Distribution License 1.0
CNRI The CNRI portion of the multi-part Python License
CPAL-1.0 Common Public Attribution License version 1.0
CPL-1.0 Common Public License version 1.0
ECL-2.0 Educational Community License version 2.0
EPL-1.0 Eclipse Public License 1.0
EPL-2.0 Eclipse Public License version 2.0
EUPL-1.1 The European Union Public License version 1.1
EUPL-1.2 European Union Public License version 1.2
GPL-1 GPL-1+ GNU General Public License version 1
GPL-2 GPL-2+ GNU General Public License version 2
GPL-3 GPL-3+ GNU General Public License version 3
HPND Historical Permission Notice and Disclaimer
IBM IBM Public License version 1.0
IPAfont IPA Font License
ISC ISC License
LGPL-2 LGPL-2+ GNU Library General Public License version 2
LGPL-2.1 LGPL-2.1+ GNU Lesser General Public License version 2.1
LGPL-3 LGPL-3+ GNU Lesser General Public License version 3
LPL-1.02 Lucent Public License version 1.02
LPPL-1.3c LaTeX Project Public License version 1.3c
MirOS MirOS License
MIT The MIT License
MIT-0 MIT No Attribution License
MPL-1.0 Mozilla Public License 1.0
MPL-1.1 Mozilla Public License 1.1
MPL-2.0 Mozilla Public License 2.0
Ms-PL Microsoft Public License
Ms-RL Microsoft Reciprocal License
nethack The Nethack General Public License
OFL-1.1 SIL Open Font License 1.1
OSL-2.1 Open Software License 2.1
PHP-3 PHP License 3.0
PHP-3.01 PHP License 3.01
POSTGRESQL The PostgreSQL Licence
PSF-2 Python License version 2
QPL-1.0 The Q Public License version 1.0
Sleepycat The Sleepycat License bug #300426
Unicode-DFS-2016 Unicode, Inc. License Agreement – Data Files and Software
Unlicense The Unlicense
UoI-NCSA The University of Illinois/NCSA Open Source License
W3C The W3C Software Notice and License
wxWinLL-3 The wxWindows Library Licence
ZLIB The zlib/libpng License
ZPL Zope Public License 2.0


Licenses approved by the Open Source Initiative that the FSF lists as nonfree: [2]

Gentoo OSI Comment
NOSA NASA Open Source Agreement 1.3 bug #908499
Watcom-1.0 The Sybase Open Source Licence bug #908499