> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/awesome-selfhosted/awesome-selfhosted/llms.txt
> Use this file to discover all available pages before exploring further.

# Software Licenses

> Complete list of open source licenses used by projects in awesome-selfhosted

This page provides a comprehensive reference of all software licenses used by projects listed in awesome-selfhosted. Each license includes a link to its official SPDX (Software Package Data Exchange) specification.

## Understanding Software Licenses

Open source licenses define how software can be used, modified, and distributed. The licenses below are organized by type to help you understand their characteristics and requirements.

<Accordion title="Permissive Licenses">
  Permissive licenses have minimal restrictions on how software can be used and redistributed.

  ### MIT License

  * **[MIT](https://spdx.org/licenses/MIT.html)** - MIT License
  * Short and simple permissive license with minimal restrictions

  ### BSD Licenses

  * **[0BSD](https://spdx.org/licenses/0BSD.html)** - BSD Zero-Clause Licence
  * **[BSD-2-Clause](https://spdx.org/licenses/BSD-2-Clause.html)** - BSD 2-clause "Simplified"
  * **[BSD-2-Clause-FreeBSD](https://spdx.org/licenses/BSD-2-Clause-FreeBSD.html)** - BSD 2-Clause FreeBSD License
  * **[BSD-3-Clause](https://spdx.org/licenses/BSD-3-Clause.html)** - BSD 3-Clause "New" or "Revised"
  * **[BSD-3-Clause-Attribution](https://spdx.org/licenses/BSD-3-Clause-Attribution.html)** - BSD with attribution
  * **[BSD-4-Clause](https://spdx.org/licenses/BSD-4-Clause.html)** - BSD 4-clause "Original"

  ### ISC License

  * **[ISC](https://spdx.org/licenses/ISC.html)** - Internet Systems Consortium License
  * Functionally equivalent to MIT and BSD 2-Clause licenses

  ### Apache License

  * **[Apache-2.0](https://spdx.org/licenses/Apache-2.0.html)** - Apache, Version 2.0
  * Permissive license with patent grant provisions

  ### Other Permissive Licenses

  * **[AAL](https://spdx.org/licenses/AAL.html)** - Attribution Assurance License
  * **[Artistic-2.0](https://spdx.org/licenses/Artistic-2.0.html)** - Artistic License Version 2.0
  * **[Zlib](https://spdx.org/licenses/Zlib.html)** - Zlib/libpng License
</Accordion>

<Accordion title="Copyleft Licenses (GPL Family)">
  Copyleft licenses require derivative works to be distributed under the same license terms.

  ### GNU General Public License (GPL)

  * **[GPL-1.0](https://spdx.org/licenses/GPL-1.0.html)** - GNU General Public License 1.0
  * **[GPL-2.0](https://spdx.org/licenses/GPL-2.0.html)** - GNU General Public License 2.0
  * **[GPL-3.0](https://spdx.org/licenses/GPL-3.0.html)** - GNU General Public License 3.0

  ### GNU Affero General Public License

  * **[AGPL-3.0](https://spdx.org/licenses/AGPL-3.0.html)** - GNU Affero General Public License 3.0
  * Like GPL but requires source availability for network use

  ### GNU Lesser General Public License (LGPL)

  * **[LGPL-2.1](https://spdx.org/licenses/LGPL-2.1.html)** - Lesser General Public License 2.1
  * **[LGPL-3.0](https://spdx.org/licenses/LGPL-3.0.html)** - Lesser General Public License 3.0
  * Allows linking with proprietary software
</Accordion>

<Accordion title="Mozilla Public License">
  File-level copyleft license that allows mixing with proprietary code.

  * **[MPL-1.1](https://spdx.org/licenses/MPL-1.1.html)** - Mozilla Public License Version 1.1
  * **[MPL-2.0](https://spdx.org/licenses/MPL-2.0.html)** - Mozilla Public License
  * Weak copyleft - modifications must be open but can be combined with proprietary code
</Accordion>

<Accordion title="Eclipse Public License">
  Business-friendly copyleft license.

  * **[EPL-1.0](https://spdx.org/licenses/EPL-1.0.html)** - Eclipse Public License, Version 1.0
  * **[EPL-2.0](https://spdx.org/licenses/EPL-2.0.html)** - Eclipse Public License, Version 2.0
</Accordion>

<Accordion title="Creative Commons Licenses">
  Licenses primarily designed for creative works, but also used for software and documentation.

  * **[CC0-1.0](https://spdx.org/licenses/CC0-1.0.html)** - Public Domain/Creative Common Zero 1.0
  * **[CC-BY-SA-3.0](https://spdx.org/licenses/CC-BY-SA-3.0.html)** - Creative Commons Attribution-ShareAlike 3.0 License
  * **[CC-BY-SA-4.0](https://spdx.org/licenses/CC-BY-SA-4.0.html)** - Creative Commons Attribution-ShareAlike 4.0 License
</Accordion>

<Accordion title="Public Domain & Unlicense">
  Software released into the public domain or with no restrictions.

  * **[Unlicense](https://spdx.org/licenses/Unlicense.html)** - The Unlicense
  * **[WTFPL](https://spdx.org/licenses/WTFPL.html)** - Do What the Fuck You Want to Public License
  * **[Beerware](https://spdx.org/licenses/Beerware.html)** - Beerware License
</Accordion>

<Accordion title="European & International Licenses">
  Licenses developed for specific jurisdictions or international use.

  * **[EUPL-1.2](https://spdx.org/licenses/EUPL-1.2.html)** - European Union Public License 1.2
  * **[CECILL-B](https://spdx.org/licenses/CECILL-B.html)** - CEA CNRS INRIA Logiciel Libre
</Accordion>

<Accordion title="Corporate & Enterprise Licenses">
  Licenses created by corporations for their open source projects.

  * **[APSL-2.0](https://spdx.org/licenses/APSL-2.0.html)** - Apple Public Source License, Version 2.0
  * **[CDDL-1.0](https://spdx.org/licenses/CDDL-1.0.html)** - Common Development and Distribution License
  * **[CPAL-1.0](https://spdx.org/licenses/CPAL-1.0.html)** - Common Public Attribution License Version 1.0
  * **[IPL-1.0](https://spdx.org/licenses/IPL-1.0.html)** - IBM Public License
</Accordion>

<Accordion title="Educational & Specialized Licenses">
  Licenses designed for specific use cases or communities.

  * **[CAL-1.0](https://spdx.org/licenses/CAL-1.0.html)** - Cryptographic Autonomy License 1.0
  * **[ECL-2.0](https://spdx.org/licenses/ECL-2.0.html)** - Educational Community License, Version 2.0
  * **[OSL-3.0](https://spdx.org/licenses/OSL-3.0.html)** - Open Software License 3.0
  * **[Ruby](https://spdx.org/licenses/Ruby.html)** - Ruby License
  * **[Sendmail](https://spdx.org/licenses/Sendmail.html)** - Sendmail License
  * **[ZPL-2.0](https://spdx.org/licenses/ZPL-2.0.html)** - Zope Public License 2.0
</Accordion>

## Additional Resources

* [SPDX License List](https://spdx.org/licenses/) - Complete SPDX license database
* [Choose a License](https://choosealicense.com/) - Help choosing an appropriate license
* [Open Source Initiative](https://opensource.org/licenses) - OSI-approved licenses
* [tldrlegal.com](https://tldrlegal.com/) - Plain English summaries of licenses