Next Tricoteuses Meeting (In 2 days) — Tuesday, March 3, 2026 à 12h00

ODbL License

Understanding the rights and obligations of the Open Database License

About the ODbL License

Data produced and distributed by Tricoteuses is published under the Open Database License (ODbL) v1.0. This license is part of the open license family that guarantees free data reuse while preserving its open nature.

What is the ODbL License?

ODbL is a copyleft license for databases, created by the Open Knowledge Foundation. It ensures that data remains open and freely accessible, even when modified or integrated into other projects.

What you can do

The ODbL license offers you broad usage possibilities

Use the data

You can freely consult, download and use our data for any purpose, including commercial use.

Share the data

You can copy and redistribute the data in any format or medium.

Adapt the data

You can modify, transform and enhance the data, create derivative works from it.

Commercial use

You can use the data in a commercial context, including to develop paid services.

Your obligations

In return, you must comply with certain conditions

Attribution

You must credit Tricoteuses by mentioning the data source and providing a link to the ODbL license. For example: "Data from Tricoteuses (tricoteuses.fr) under ODbL license".

Share-Alike

If you publicly distribute data derived from our data, you must publish it under the same ODbL license. This is the "copyleft" principle that ensures data remains open.

Keep it open

You cannot apply technical measures that would restrict access to the data or its reuse by others.

Preserve notices

You must preserve all copyright notices, license mentions and warnings present in the original data.

Important points to remember

• The share-alike obligation only applies to derived databases, not to works created from the data.
• If you create an application or service using our data without redistributing the database itself, you are not required to share your code under ODbL.
• Attribution must be visible and clear to users of your service or application.