Copyright and Data Use

Code License

Our code is currently licensed under the GPL-3.0 license. To learn more, see here.

Text Copyright

Each text on Sefaria varies slightly with regard to its copyright status, and its ability to be re-used in other projects. To learn how to check the copyright status of a text, see our information sheet here.

⚠️ Note: Text Licenses on Sefaria

Most texts on Sefaria have a Creative Commons license, a notice that the text is "Public Domain", or a copyright notice. Texts in the public domain do not need attribution. Texts with a CC BY license must be attributed to the publisher. While there is no legal requirement to credit Sefaria, we always appreciate being acknowledged.

Public domain texts can be reused without restriction.

Texts with a Creative Commons license may carry requirements to give attribution, share derived work, or limit usage in commercial contexts. Click on the CC license link, to learn about its requirements or restrictions. Please note that most of the time, if a text requires attribution, this means giving credit to the original source of the text, not to Sefaria.

• Texts with an attribution ("BY") clause require attribution if used.
• Texts with a non-commercial ("NC") clause can not be legally used for commercial purposes without the explicit license of the copyright holderIf a text includes a copyright notice, you may not reuse the text without permission from the copyright holder.
• Finally, if no license or "Public Domain" notice is listed, it means Sefaria has not verified the copyright status of a text.

Usage of our Name and Logo

While we make our data and code available for others to reuse, the same is not true of the name "Sefaria" and our logo, which are under trademark. The reason for this to keep clear to users whether a particular application was developed by Sefaria or by a third party. We do offer the following badges below that you can use to indicate that your project is powered by Sefaria, though not developed by Sefaria.