Easy, this page is intended to give you examples of copyright licenses that may be attached to content within the site. Content owners will specify; if they don’t, regular U.S.A. Copyright will apply!
These are the License Types you may find content licensed under:
Content is available under proper intellectual copyright law; additional terms may apply. Various licenses may be provided by individual authors outside of copyright law.
Copyright Law of the United States (Title 17)
https://www.copyright.gov/title17/
Creative Commons Set:
Please review their page: https://creativecommons.org/choose/
Allow adaptations of your work to be shared? YES
Allow commercial uses of your work? YES
Culture Free License? YES
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
Allow adaptations of your work to be shared? NO
Allow commercial uses of your work? YES
Culture Free License? NO
Attribution-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nd/4.0/
Allow adaptations of your work to be shared? YES, others must share alike
Allow commercial uses of your work? YES
Culture Free License? YES
Attribution-ShareAlike 4.0 International
http://creativecommons.org/licenses/by-sa/4.0/
Allow adaptations of your work to be shared? YES, others must share alike
Allow commercial uses of your work? NO
Culture Free License? NO
Attribution-NonCommercial 4.0 International
http://creativecommons.org/licenses/by-nc/4.0/
Allow adaptations of your work to be shared? NO
Allow commercial uses of your work? NO
Culture Free License? NO
Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
Allow adaptations of your work to be shared? YES, others must share alike
Allow commercial uses of your work? NO
Culture Free License? NO
Attribution-NonCommercial-ShareAlike 4.0 International
http://creativecommons.org/licenses/by-nc-sa/4.0/
GNU - GPL
When linking to GNU GPL, it's usually best to link to the latest version; hence the standard URLs such as https://www.gnu.org/licenses/gpl.html have no version number.
If you may want to link to a specific version of a given license. In those situations, you can use the following links [skip links]:
GNU General Public License (GPL)
GPLv3, https://www.gnu.org/licenses/gpl-3.0.html
GPLv2, https://www.gnu.org/licenses/gpl-2.0.html
GPLv1, https://www.gnu.org/licenses/gpl-1.0.html
GNU Lesser General Public License (LGPL)
LGPLv3, https://www.gnu.org/licenses/lgpl-3.0.html
LGPLv2.1, https://www.gnu.org/licenses/lgpl-2.1.html
GNU Affero General Public License (AGPL)
GNU AGPLv3, https://www.gnu.org/licenses/agpl-3.0.html
(The Affero General Public License version 1 is not a GNU license, but it was designed to serve a purpose much like the GNU AGPL's.)
GNU Free Documentation License (FDL)
FDLv1.3, https://www.gnu.org/licenses/fdl-1.3.html
FDLv1.2, https://www.gnu.org/licenses/fdl-1.2.html
FDLv1.1, https://www.gnu.org/licenses/fdl-1.1.html