Copyfree Licenses
If you wish to discuss any of the licenses listed on this page, or propose others to be considered for certification as copyfree licenses, you may do so via the Copyfree Discussion mailing list (see the community page for details).
The following is a list of certified copyfree licenses.
- AMANDA License
- Beer-Ware License (reference)
- BeOpen Python Open Source License Agreement
- Blue Oak Model License 1.0.0 (reference)
- BSD+Patent License
- BSD Documentation License (reference)
- Boost Software License (reference)
- Creative Commons Zero (reference)
- Clear BSD License
- CMU License
- Copyfree Open Innovation License (reference)
- Crowley Thelemic License
- CWI License Agreement for Python
- Detachable Public License
- Do What The Fuck You Want To Public License v2 (reference)
- FreeBSD Documentation License (reference)
- General Attribution License
- Give It Your Own License, License
- GNU All-Permissive License (reference)
- Historical Permission Notice and Disclaimer
- Inconsiderate License
- ISC License
- Lucent Public License v1.02 (reference)
- MINIX 3 License
- MirOS License (reference)
- MIT/X11 License
- Nietzsche Public License
- OpenLDAP Public License v2.8 (reference)
- Open Works License (reference)
- Pancake Public License (reference)
- PostgreSQL License
- Python Imaging Library License
- Research Systems Unix Group License (reference)
- Revised BSD License
- Simplified BSD License
- Software Attribution License
- Tcl/Tk License
- Tiny License
- Toybox License
- University of Illinois/NCSA Open Source License (reference)
- Unlicense
- Z Shell License
Notes:
This page is being revised at this time. All mentioned licenses remain copyfree certified, but the policy for listing and identifying licenses is under review.
A searchable database with web front-end for filtering is currently in development, and changes will be forthcoming.