Publisher review:Natural Language Toolkit is a suite of program modules, data sets and tutorials supporting research and teaching in computational linguistics. NLTK, the Natural Language Toolkit, is a suite of program modules, data sets and tutorials supporting research and teaching in computational linguistics and natural language processing. NLTK is ideally suited to students who are learning NLP (natural language processing) or conducting research in NLP or closely related areas, including empirical linguistics, cognitive science, artificial intelligence, information retrieval, and machine learning.
NLTK has been used successfully as a teaching tool, as an individual study tool, and as a platform for prototyping and building research systems.
Natural Language Toolkit 0.7.5 is a Python script for Mathematics scripts design by Edward Loper.
It runs on following operating system: Windows / Linux / Mac OS / BSD / Solaris.
Operating system:Windows / Linux / Mac OS / BSD / Solaris
Natural Language Toolkit 0.7.5 script details 
