WARNING: This document is made public for archival and historical purposes only. Not all of the information is current, and accuracy cannot be guaranteed.
WARNING: This document is made public for archival and historical purposes only. Not all of the information is current, and accuracy cannot be guaranteed.
Copyleft and the
GNU General Public License:
A Comprehensive Tutorial
and Guide
| Copyright | � 2018 | Chestek Legal. |
| Copyright | � 2003–2005, 2008, 2014–2015, 2018 | Bradley M. Kuhn. |
| Copyright | � 2014–2015 | Anthony K. Sebro, Jr. |
| Copyright | � 2014 | Denver Gingerich. |
| Copyright | � 2003–2007, 2014 | Free Software Foundation, Inc. |
| Copyright | � 2008, 2014 | Software Freedom Law Center. |
The copyright holders grant the freedom to copy, modify, convey, adapt, and/or redistribute this work (except Appendices�B–E) under the terms of the Creative Commons Attribution Share Alike 4.0 International License. A copy of that license is available at https://creativecommons.org/licenses/by-_sa/4.0/legalcode.
Appendices�B–E include copies of the texts of various licenses published by the FSF, and they are all licensed under the license, “Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.”. However, those who seek to make modified versions of those licenses should note the explanation given in the GPL FAQ.
As a public, collaborative project, this Guide is primarily composed of the many contributions received via its public contribution process. Please review its Git logs for full documentation of all contributions, and Appendix�A contains a list of third-party works from which some material herein was adapted.
The most recent version is available online at https://copyleft.org/guide/. Patches are indeed welcome to this material. Sources can be found in the Git repository at https://k.copyleft.org/guide/.