About CC Licenses
Creative Commons licenses give everyone from individual creators to large institutions a standardized way to grant the public permission to use their creative work under copyright law. From the reuser’s perspective, the presence of a Creative Commons license on a copyrighted work answers the question, What can I do with this work?
There are six different license types, listed from most to least permissive here:
CC BY
This license enables reusers to distribute, remix, adapt, and build upon the material in any medium or format, so long as attribution is given to the creator. The license allows for commercial use. CC BY includes the following elements:
BY: credit must be given to the creator.
CC BY-SA
This license enables reusers to distribute, remix, adapt, and build upon the material in any medium or format, so long as attribution is given to the creator. The license allows for commercial use. If you remix, adapt, or build upon the material, you must license the modified material under identical terms. CC BY-SA includes the following elements:
BY: credit must be given to the creator.
SA: Adaptations must be shared under the same terms.
CC BY-NC
This license enables reusers to distribute, remix, adapt, and build upon the material in any medium or format for noncommercial purposes only, and only so long as attribution is given to the creator. CC BY-NC includes the following elements:
BY: credit must be given to the creator.
NC: Only noncommercial uses of the work are permitted.
CC BY-NC-SA
This license enables reusers to distribute, remix, adapt, and build upon the material in any medium or format for noncommercial purposes only, and only so long as attribution is given to the creator. If you remix, adapt, or build upon the material, you must license the modified material under identical terms. CC BY-NC-SA includes the following elements:
BY: credit must be given to the creator.
NC: Only noncommercial uses of the work are permitted.
SA: Adaptations must be shared under the same terms.
CC BY-ND
This license enables reusers to copy and distribute the material in any medium or format in unadapted form only, and only so long as attribution is given to the creator. The license allows for commercial use. CC BY-ND includes the following elements:
BY: credit must be given to the creator.
ND: No derivatives or adaptations of the work are permitted.
CC BY-NC-ND
This license enables reusers to copy and distribute the material in any medium or format in unadapted form only, for noncommercial purposes only, and only so long as attribution is given to the creator. CC BY-NC-ND includes the following elements:
BY: credit must be given to the creator.
NC: Only noncommercial uses of the work are permitted.
ND: No derivatives or adaptations of the work are permitted.
About GNU License
The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses, or copyleft, that guarantee end users the four freedoms to run, study, share, and modify the software.
Read online for free
Read the copyright holder's entire book for free online for a limited time every day.
You are a Robot
This means that you have not passed Google's CAPTCHA verification.
Some suggestions:
- If you can, log into one of Google's services, like YouTube, Gmail.
- Do a search on Google and click on any URL.
- Do not disable tracking/third-party cookies.
- Do not use VPN, some IPs may be blocked by Google.
Then refresh this page again later.