Approved Open Licenses

Digital Public Goods must demonstrate the use of an Approved Open License.

Categories of Open Source Licenses.

The full list of licenses is included below. If you use a license that is not currently listed here but you believe should be included please email opencode.md@gmail.com. We may accept licenses that are pending review by the corresponding licensing group.

 


Open Software Licenses

Full Name SPDX Identifier
0BSD 0-clause BSD License
AAL Attribution Assurance License
AFL-3.0 Academic Free License 3.0
AGPL-3.0 GNU Affero General Public License version 3
Apache-1.1 Apache Software License 1.1
Apache-2.0 Apache License 2.0
APL-1.0 Adaptive Public License
APSL-2.0 Apple Public Source License
Artistic-1.0 Artistic license 1.0
Artistic-2.0 Artistic License 2.0
BSD-1-Clause 1-clause BSD License
BSD-2-Clause 2-clause BSD License
BSD-2-Clause-Patent BSD+Patent
BSD-3-Clause 3-clause BSD License
BSD-3-Clause-LBNL BSD-3-Clause-LBNL
BSL-1.0 Boost Software License
CAL-1.0 Cryptographic Autonomy License v.1.0
CAL-1.0-Combined-Work-Exception Cryptographic Autonomy License v.1.0
CATOSL-1.1 Computer Associates Trusted Open Source License 1.1
CDDL-1.0 Common Development and Distribution License 1.0
CECILL-2.1 CeCILL License 2.1
CNRI-Python CNRI Python license
CPAL-1.0 Common Public Attribution License 1.0
CPL-1.0 Common Public License 1.0
ECL-1.0 Educational Community License, Version 1.0
ECL-2.0 Educational Community License, Version 2.0
EFL-1.0 Eiffel Forum License V1.0
EFL-2.0 Eiffel Forum License V2.0
Entessa Entessa Public License
EPL-1.0 Eclipse Public License 1.0
EPL-2.0 Eclipse Public License 2.0
EUDatagrid EU DataGrid Software License
EUPL-1.2 European Union Public License 1.2
Fair Fair License
Frameworx-1.0 Frameworx License
GPL-2.0 GNU General Public License version 2
GPL-3.0 GNU General Public License version 3
HPND Historical Permission Notice and Disclaimer
IPA IPA Font License
IPL-1.0 IBM Public License 1.0
ISC ISC License
LGPL-2.1 GNU Lesser General Public License version 2.1
LGPL-3.0 GNU Lesser General Public License version 3
LiLiQ-P-1.1 Licence Libre du Québec – Permissive
LiLiQ-R-1.1 Licence Libre du Québec – Réciprocité
LiLiQ-Rplus-1.1 Licence Libre du Québec – Réciprocité forte
LPL-1.0 Lucent Public License
LPL-1.02 Lucent Public License Version 1.02
LPPL-1.3c LaTeX Project Public License 1.3c
MirOS MirOS Licence
MIT MIT License
MIT-0 MIT No Attribution License
Motosoto Motosoto 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
MPL-2.0-no-copyleft-exception Mozilla Public License 2.0, no copyleft exception
MS-PL Microsoft Public License
MS-RL Microsoft Reciprocal License
MulanPSL-2.0 Mulan Permissive Software License v2
Multics Multics License
NASA-1.3 NASA Open Source Agreement 1.3
Naumen Naumen Public License
NCSA University of Illinois/NCSA Open Source License
NGPL Nethack General Public License
Nokia Nokia Open Source License
NPOSL-3.0 Non-Profit Open Software License 3.0
NTP NTP License
OCLC-2.0 OCLC Research Public License 2.0
OFL-1.1 SIL Open Font License 1.1
OFL-1.1-no-RFN SIL Open Font License 1.1
OFL-1.1-RFN SIL Open Font License 1.1
OGTSL Open Group Test Suite License
OLDAP-2.8 OpenLDAP Public License Version 2.8
OSET-PL-2.1 OSET Public License version 2.1
OSL-1.0 Open Software License 1.0
OSL-2.1 Open Software License 2.1
OSL-3.0 Open Software License 3.0
PHP-3.0 PHP License 3.0
PHP-3.01 PHP License 3.01
PostgreSQL The PostgreSQL License
Python-2.0 Python License
QPL-1.0 Q Public License
RPL-1.1 Reciprocal Public License, version 1.1
RPL-1.5 Reciprocal Public License 1.5
RPSL-1.0 RealNetworks Public Source License V1.0
RSCPL Ricoh Source Code Public License
SimPL-2.0 Simple Public License 2.0
Sleepycat Sleepycat License
SPL-1.0 Sun Public License 1.0
UCL-1.0 Upstream Compatibility License v1.0
Unicode-DFS-2015 Unicode Data Files and Software License
Unicode-DFS-2016 Unicode Data Files and Software License
Unlicense The Unlicense
UPL-1.0 Universal Permissive License
VSL-1.0 Vovida Software License v. 1.0
W3C W3C License
Watcom-1.0 Sybase Open Watcom Public License 1.0
Xnet X.Net License
wxWindows wxWindows Library License
Zlib zlib/libpng license
ZPL-2.0 Zope Public License 2.0

 


Open Content Licenses

Full Name SPDX Identifier
CC-BY-1.0 Creative Commons Attribution 1.0 Generic
CC-BY-2.0 Creative Commons Attribution 2.0 Generic
CC-BY-2.5 Creative Commons Attribution 2.5 Generic
CC-BY-3.0 Creative Commons Attribution 3.0 Unported
CC-BY-3.0-AT Creative Commons Attribution 3.0 Austria
CC-BY-3.0-US Creative Commons Attribution 3.0 United States
CC-BY-4.0 Creative Commons Attribution 4.0 International
CC-BY-NC-1.0 Creative Commons Attribution Non Commercial 1.0 Generic
CC-BY-NC-2.0 Creative Commons Attribution Non Commercial 2.0 Generic
CC-BY-NC-2.5 Creative Commons Attribution Non Commercial 2.5 Generic
CC-BY-NC-3.0 Creative Commons Attribution Non Commercial 3.0 Unported
CC-BY-NC-3.0-US Creative Commons Attribution Non Commercial 3.0 United States
CC-BY-NC-4.0 Creative Commons Attribution Non Commercial 4.0 International
CC-BY-NC-SA-1.0 Creative Commons Attribution Non Commercial Share Alike 1.0 Generic
CC-BY-NC-SA-2.0 Creative Commons Attribution Non Commercial Share Alike 2.0 Generic
CC-BY-NC-SA-2.5 Creative Commons Attribution Non Commercial Share Alike 2.5 Generic
CC-BY-NC-SA-3.0 Creative Commons Attribution Non Commercial Share Alike 3.0 Unported
CC-BY-NC-SA-3.0-US Creative Commons Attribution Non Commercial Share Alike 3.0 United States
CC-BY-NC-SA-4.0 Creative Commons Attribution Non Commercial Share Alike 4.0 International
CC-BY-SA-1.0 Creative Commons Attribution Share Alike 1.0 Generic
CC-BY-SA-2.0 Creative Commons Attribution Share Alike 2.0 Generic
CC-BY-SA-2.5 Creative Commons Attribution Share Alike 2.5 Generic
CC-BY-SA-3.0 Creative Commons Attribution Share Alike 3.0 Unported
CC-BY-SA-3.0-AT Creative Commons Attribution Share Alike 3.0 Austria
CC-BY-SA-3.0-US Creative Commons Attribution Share Alike 3.0 United States
CC-BY-SA-4.0 Creative Commons Attribution Share Alike 4.0 International
CC0-1.0 Creative Commons Zero v1.0 Universal
CC-BY-3.0-IGO Creative Commons Attribution 3.0 IGO
CC-BY-NC-3.0-IGO Creative Commons Attribution Non Commercial 3.0 IGO
CC-BY-NC-SA-3.0-IGO Creative Commons Attribution Non Commercial Share Alike 3.0 IGO
CC-BY-SA-3.0-IGO Creative Commons Attribution Share Alike 3.0 IGO

 


Open Data Licenses

Full Name SPDX Identifier
CC-BY-4.0 Creative Commons Attribution 4.0 International
CC-BY-SA-4.0 Creative Commons Attribution Share-Alike 4.0 International
CC0-1.0 Creative Commons Zero v1.0 Universal
ODbL-1.0 Open Data Commons Open Database License 1.0
ODC-By-1.0 Open Data Commons Attribution License 1.0
PDDL-1.0 Open Data Commons Public Domain Dedication and Licence 1.0
CC-BY-3.0-IGO Creative Commons Attribution 3.0 IGO
CC-BY-SA-3.0-IGO Creative Commons Attribution Share Alike 3.0 IGO

 


Combined entire list, sorted alphabetically

0BSD
AAL
AFL-3.0
AGPL-3.0
Apache-1.1
Apache-2.0
APL-1.0
APSL-2.0
Artistic-1.0
Artistic-2.0
BSD-1-Clause
BSD-2-Clause
BSD-2-Clause-Patent
BSD-3-Clause
BSD-3-Clause-LBNL
BSL-1.0
CAL-1.0
CAL-1.0-Combined-Work-Exception
CATOSL-1.1
CC-BY-1.0
CC-BY-2.0
CC-BY-2.5
CC-BY-3.0
CC-BY-3.0-AT
CC-BY-3.0-US
CC-BY-4.0
CC-BY-NC-1.0
CC-BY-NC-2.0
CC-BY-NC-2.5
CC-BY-NC-3.0
CC-BY-NC-3.0-US
CC-BY-NC-4.0
CC-BY-NC-SA-1.0
CC-BY-NC-SA-2.0
CC-BY-NC-SA-2.5
CC-BY-NC-SA-3.0
CC-BY-NC-SA-3.0-US
CC-BY-NC-SA-4.0
CC-BY-SA-1.0
CC-BY-SA-2.0
CC-BY-SA-2.5
CC-BY-SA-3.0
CC-BY-SA-3.0-AT
CC-BY-SA-3.0-US
CC-BY-SA-4.0
CC0-1.0
CDDL-1.0
CECILL-2.1
CNRI-Python
CPAL-1.0
CPL-1.0
ECL-1.0
ECL-2.0
EFL-1.0
EFL-2.0
Entessa
EPL-1.0
EPL-2.0
EUDatagrid
EUPL-1.2
Fair
Frameworx-1.0
GPL-2.0
GPL-3.0
HPND
IPA
IPL-1.0
ISC
LGPL-2.1
LGPL-3.0
LiLiQ-P-1.1
LiLiQ-R-1.1
LiLiQ-Rplus-1.1
LPL-1.0
LPL-1.02
LPPL-1.3c
MirOS
MIT
MIT-0
Motosoto
MPL-1.0
MPL-1.1
MPL-2.0
MPL-2.0-no-copyleft-exception
MS-PL
MS-RL
MulanPSL-2.0
Multics
NASA-1.3
Naumen
NCSA
NGPL
Nokia
NPOSL-3.0
NTP
OCLC-2.0
ODbL-1.0
ODC-By-1.0
OFL-1.1
OFL-1.1-no-RFN
OFL-1.1-RFN
OGTSL
OLDAP-2.8
OSET-PL-2.1
OSL-1.0
OSL-2.1
OSL-3.0
PDDL-1.0
PHP-3.0
PHP-3.01
PostgreSQL
Python-2.0
QPL-1.0
RPL-1.1
RPL-1.5
RPSL-1.0
RSCPL
SimPL-2.0
Sleepycat
SPL-1.0
UCL-1.0
Unicode-DFS-2015
Unicode-DFS-2016
Unlicense
UPL-1.0
VSL-1.0
W3C
Watcom-1.0
Xnet
wxWindows
Zlib
ZPL-2.0