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NLTK

NLTK is a free, open source, community-driven platform for building Python programs that work with human language data. It provides interfaces to over 50 corpora and lexical resources such as WordNet, plus libraries for classification, tokenization, stemming, tagging, parsing, and semantic reasoning. It is aimed at linguists, engineers, students, educators, researchers, and industry users, and runs on Windows, macOS, and Linux.

Linked from nltk.org · checked 29 Oct

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Checked 29 Oct 2026
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  • NLTK

    Python toolkit for working with human language data

    Coding · Open source · Checked

    Free and open sourceThe page describes NLTK as a free, open source, community-driven project.

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