BSD Zero Clause License
0BSDA permissive license with no conditions, allowing unrestricted use, modification, and distribution.
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Attribution Assurance License
AALA permissive license requiring attribution in documentation and user interfaces.
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Academic Free License v3.0
AFL-3.0A permissive license similar to Apache 2.0 with explicit patent grants.
- OSI Approved
- FSF Free
GNU Affero General Public License v3.0 only
AGPL-3.0-onlyA strong copyleft license requiring source disclosure for network use.
- OSI Approved
- FSF Free
GNU Affero General Public License v3.0 or later
AGPL-3.0-or-laterA strong copyleft license requiring source disclosure for network use, with option for later versions.
- OSI Approved
- FSF Free
Apache License 2.0
Apache-2.0A permissive license with patent grant and contribution terms.
- OSI Approved
- FSF Free
Artistic License 2.0
Artistic-2.0A permissive license with conditions for modified versions.
- OSI Approved
- FSF Free
BSD 2-Clause "Simplified" License
BSD-2-ClauseA simple permissive license with minimal requirements.
- OSI Approved
- FSF Free
BSD 3-Clause "New" or "Revised" License
BSD-3-ClauseA permissive license with a non-endorsement clause.
- OSI Approved
- FSF Free
Boost Software License 1.0
BSL-1.0A very permissive license with minimal conditions.
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- FSF Free
Creative Commons Attribution 3.0 Unported
CC-BY-3.0Allows sharing and adaptation with attribution required.
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Creative Commons Attribution 4.0 International
CC-BY-4.0Allows sharing and adaptation with attribution required.
- FSF Free
Creative Commons Attribution-NonCommercial 3.0 Unported
CC-BY-NC-3.0Allows sharing and adaptation for non-commercial purposes with attribution.
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Creative Commons Attribution-NonCommercial 4.0 International
CC-BY-NC-4.0Allows sharing and adaptation for non-commercial purposes with attribution.
- Proprietary
Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 Unported
CC-BY-NC-ND-3.0Allows sharing for non-commercial purposes with attribution, no derivatives.
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
CC-BY-NC-ND-4.0Allows sharing for non-commercial purposes with attribution, no derivatives.
- Proprietary
Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported
CC-BY-NC-SA-3.0Allows sharing and adaptation for non-commercial purposes with attribution, derivatives must use same license.
- Proprietary
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
CC-BY-NC-SA-4.0Allows sharing and adaptation for non-commercial purposes with attribution, derivatives must use same license.
- Proprietary
Creative Commons Attribution-NoDerivatives 3.0 Unported
CC-BY-ND-3.0Allows sharing with attribution, no derivatives allowed.
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Creative Commons Attribution-NoDerivatives 4.0 International
CC-BY-ND-4.0Allows sharing with attribution, no derivatives allowed.
- Proprietary
Creative Commons Attribution-ShareAlike 3.0 Unported
CC-BY-SA-3.0Allows sharing and adaptation with attribution, derivatives must use same license.
- FSF Free
Creative Commons Attribution-ShareAlike 4.0 International
CC-BY-SA-4.0Allows sharing and adaptation with attribution, derivatives must use same license.
- FSF Free
Creative Commons Public Domain Dedication and Certification
CC-PDDCPublic domain dedication for works no longer protected by copyright.
- FSF Free
Creative Commons Zero v1.0 Universal
CC0-1.0Public domain dedication waiving all copyright and related rights.
- FSF Free
Eclipse Public License 1.0
EPL-1.0A weak copyleft license with patent grant.
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- FSF Free
Eclipse Public License 2.0
EPL-2.0A weak copyleft license with patent grant and secondary license options.
- OSI Approved
- FSF Free
European Union Public License 1.2
EUPL-1.2A copyleft license from the European Union with compatibility provisions.
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- FSF Free
GNU General Public License v2.0 only
GPL-2.0-onlyA strong copyleft license requiring source disclosure for distributed binaries.
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- FSF Free
GNU General Public License v2.0 or later
GPL-2.0-or-laterA strong copyleft license with option for later versions.
- OSI Approved
- FSF Free
GNU General Public License v3.0 only
GPL-3.0-onlyA strong copyleft license with patent grant and anti-tivoization provisions.
- OSI Approved
- FSF Free
GNU General Public License v3.0 or later
GPL-3.0-or-laterA strong copyleft license with patent grant, anti-tivoization, and option for later versions.
- OSI Approved
- FSF Free
ISC License
ISCA simple permissive license functionally equivalent to BSD 2-Clause.
- OSI Approved
- FSF Free
GNU Lesser General Public License v2.1 only
LGPL-2.1-onlyA weak copyleft license allowing proprietary linking.
- OSI Approved
- FSF Free
GNU Lesser General Public License v2.1 or later
LGPL-2.1-or-laterA weak copyleft license allowing proprietary linking, with option for later versions.
- OSI Approved
- FSF Free
GNU Lesser General Public License v3.0 only
LGPL-3.0-onlyA weak copyleft license with patent grant, allowing proprietary linking.
- OSI Approved
- FSF Free
GNU Lesser General Public License v3.0 or later
LGPL-3.0-or-laterA weak copyleft license with patent grant, allowing proprietary linking, with option for later versions.
- OSI Approved
- FSF Free
Copyrighted (All Rights Reserved)
LicenseRef-CopyrightedStandard copyright with all rights reserved. Usage may be restricted.
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Copyrighted (Free Distribution)
LicenseRef-Copyrighted-FreeCopyrighted work with permission for free non-commercial distribution.
- Proprietary
MIT License
MITA short, permissive license with minimal restrictions.
- OSI Approved
- FSF Free
MIT No Attribution
MIT-0A permissive license like MIT but without attribution requirement.
- OSI Approved
Mozilla Public License 2.0
MPL-2.0A weak copyleft license with patent grant and file-level copyleft.
- OSI Approved
- FSF Free
Open Data Commons Open Database License v1.0
ODbL-1.0A share-alike license for databases.
- FSF Free
SIL Open Font License 1.1
OFL-1.1A permissive license for fonts allowing modification and redistribution.
- OSI Approved
- FSF Free
PostgreSQL License
PostgreSQLA permissive license similar to BSD/MIT.
- OSI Approved
- FSF Free
The Unlicense
UnlicenseA public domain dedication with a fallback permissive license.
- OSI Approved
- FSF Free
Do What The F*ck You Want To Public License
WTFPLA very permissive license with no conditions.
- FSF Free
zlib License
ZlibA permissive license with minimal requirements.
- OSI Approved
- FSF Free