Every Layer has a contract.

GeLi Navigator helps you understand geospatial data licenses in plain language, check if your datasets are compatible, and generate the attribution text you'd otherwise write by hand.

Try the Checker Browse the Registry

Four tools. One question answered:

“Can I use this data?”

Dataset Registry

Browse a catalog of common geospatial datasets with pre-analyzed license metadata.

License Lookup

Search for a dataset and get a plain-language summary of its license terms.

Compatibility Checker

Check if two or more datasets can be legally combined based on their licenses.

Attribution Generator

Generate correct combined attribution text in plain text, HTML, or Markdown.

15+

datasets cataloged

license families decoded

compatibility rules so you don't have to read the fine print

How it works

Select your datasets

Select the datasets you're working with.

Check compatibility

See what the licenses actually say, in plain language.

Generate attribution

Copy the attribution text. Done.

The tool is free. The compliance headache it saves you is not.

Try the Checker

No signup required.