Python library supporting the development of cross-linguistic databases

web, pyramid, LRL, Linguistics
pip install clld==11.2.1



The clld toolkit - a web framework for the publication of Cross-Linguistic Linked Data.

Documentation for the code base and its use is available at The source for this documentation is in the docs directory.

Build Status PyPI Documentation Status

How to cite

To cite the clld software, please cite the presentation introducing it

Forkel, R., & Bank, S. (2014, October 7). The clld toolkit. Language Comparison with Linguistic Databases: RefLex and Typological Databases, Nijmegen. Zenodo.


Once the initial steps (installation, bootstrapping a new project) have been done helped by the online documentation, the biggest resource to guide further development of a clld app is the wealth of existing apps. (Note: GitHub's "Used by" links - created from the dependency graph data - are really helpful here!) The following pointers are meant as a starting point to solve specific problems by perusing the code of other apps.