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License Picker

Compare and choose open-source licenses. Generate LICENSE files for MIT, Apache, GPL, and 9 more

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MIT License
MIT

Simple and permissive. Free to use with copyright notice only.

Permissions

Commercial useModificationDistributionPrivate use

Conditions

Copyright noticeLicense inclusion

Limitations

Liability limitationNo warranty
Apache License 2.0
Apache-2.0

Permissive license with explicit patent grant. Suitable for enterprise use.

Permissions

Commercial useModificationDistributionPrivate usePatent use

Conditions

Copyright noticeLicense inclusion

Limitations

Liability limitationNo warranty
GNU GPL v3
GPL-3.0

Strong copyleft. Derivative works must be released under the same license.

Permissions

Commercial useModificationDistributionPrivate usePatent use

Conditions

Copyright noticeLicense inclusionDisclose sourceSame license

Limitations

Liability limitationNo warranty
BSD 2-Clause
BSD-2-Clause

Simple permissive license. Also known as the "Simplified BSD License".

Permissions

Commercial useModificationDistributionPrivate use

Conditions

Copyright noticeLicense inclusion

Limitations

Liability limitationNo warranty
BSD 3-Clause
BSD-3-Clause

Like BSD 2-Clause but with a "no endorsement" clause added.

Permissions

Commercial useModificationDistributionPrivate use

Conditions

Copyright noticeLicense inclusion

Limitations

Liability limitationNo warranty
ISC License
ISC

Functionally equivalent to MIT. Used by OpenBSD.

Permissions

Commercial useModificationDistributionPrivate use

Conditions

Copyright noticeLicense inclusion

Limitations

Liability limitationNo warranty
Mozilla Public License 2.0
MPL-2.0

File-level copyleft. Only modified files must have source disclosed.

Permissions

Commercial useModificationDistributionPrivate usePatent use

Conditions

Copyright noticeLicense inclusionDisclose source

Limitations

Liability limitationNo warranty
GNU LGPL v3
LGPL-3.0

Copyleft for libraries. Linking does not require source disclosure.

Permissions

Commercial useModificationDistributionPrivate usePatent use

Conditions

Copyright noticeLicense inclusionDisclose sourceSame license

Limitations

Liability limitationNo warranty
GNU AGPL v3
AGPL-3.0

Strongest copyleft. Network use also triggers source disclosure.

Permissions

Commercial useModificationDistributionPrivate usePatent use

Conditions

Copyright noticeLicense inclusionDisclose sourceSame license

Limitations

Liability limitationNo warranty
The Unlicense
Unlicense

Public domain equivalent. No restrictions whatsoever.

Permissions

Commercial useModificationDistributionPrivate use

Limitations

Liability limitationNo warranty
CC0 1.0 Universal
CC0-1.0

Creative Commons public domain dedication. Ideal for data and docs.

Permissions

Commercial useModificationDistributionPrivate use

Limitations

Liability limitationNo warranty
CC BY 4.0
CC-BY-4.0

Free to use with attribution. Best for documentation and data.

Permissions

Commercial useModificationDistributionPrivate use

Conditions

Copyright noticeLicense inclusion

Limitations

Liability limitationNo warranty