An structured guide for NLP tool and libraries
References Links:
For NLTK- http://www.nltk.org/book/
http://textminingonline.com/dive-into-nltk-part-i-getting-started-with-nltk
For Stanford Core NLP- https://stanfordnlp.github.io/CoreNLP/
https://stanfordnlp.github.io/CoreNLP/other-languages.html
For SpaCy- https://spacy.io/docs/
https://nicschrading.com/project/Intro-to-NLP-with-spaCy/
For Gensim- https://radimrehurek.com/gensim/auto_examples/index.html
For TextBlob- https://textblob.readthedocs.io/en/dev/quickstart.html
http://rwet.decontextualize.com/book/textblob/
For Polyglot- https://polyglot.readthedocs.io/en/latest/
Some links for Comparision Between various libraries-
https://www.kdnuggets.com/2018/07/comparison-top-6-python-nlp-libraries.html
https://elitedatascience.com/python-nlp-libraries
https://towardsdatascience.com/python-libraries-for-natural-language-processing-be0e5a35dd64