nltk/nltk

Project overview

nltk brings together Python NLP modules, data sets, and tutorials in one open source suite, making it a practical starting point for education, prototyping, and research in text processing.

Project type

Model Development · Data Processing

Use cases

Learning & Education

Deployment

Refer to project documentation

License

Apache-2.0

Best for

• Researchers who need Python modules, data sets, and tutorials for Natural Language Processing in a single open source suite
• Developers and educators looking for a self-hosted Python library to learn, teach, and prototype text-processing workflows

Key capabilities

• A suite of open source Python modules supports research and development in Natural Language Processing.
• Data sets and corpora are available for non-commercial use to support NLP research.
• Tutorials support research and development in Natural Language Processing.

Getting started

• Install nltk through the standard Python package manager (PyPI); setup is considered easy because of standard Python installation.

Evidence and sources

• README: NLTK -- the Natural Language Toolkit -- is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing.
• README: NLTK corpora are provided under the terms given in the README file for each corpus; all are redistributable and available for non-commercial use.

Reviewed at: 2026-07-17T22:44:28Z