Each resource has one of four conditions of use labels. These at-a-glance labels can help you quickly distinguish whether a resource can be changed or shared without further permission required. In addition, you can find the specific license or terms of permitted use for each resource.
- No Strings Attached No restrictions on your remixing, redistributing, or making derivative works. Give credit to the author, as required. Includes Public Domain, Creative Commons Attribution (CC BY), Creative Commons Public Domain, and any item that explicitly says no restrictions.
- Remix and Share Your remixing, redistributing, or making derivatives works comes with some restrictions, including how it is shared. Includes Creative Commons Attribution Share Alike (CC BY-SA), Creative Commons Attribution NonCommercial Share Alike (CC BY-NC-SA), Creative Commons Attribution NonCommercial (CC BY-NC), GNU Free Documentation License (GFDL), WGBH Teachers' Domain remix.
- Share Only Your redistributing comes with some restrictions. Do not remix or make derivative works. Includes Creative Commons No Derivatives (CC ND), WGBH Teachers' Domain share.
- Read the Fine Print Everything else. All Rights Reserved. US-based educators have certain permissions under Fair Use and the TEACH Act. Includes educational and personal uses of copyrighted materials, custom licenses and terms, permission to print only, unknown restrictions, and any other redistribution restrictions of the DMCA and of your own country.