12.7 Other NLP Libraries and Tools

Additional mostly free and open source NLP libraries and APIs:

  • Gensim—Similarity detection and topic modeling
  • Google Cloud Natural Language API—Cloud-based API for NLP tasks such as named entity recognition, sentiment analysis, parts-of-speech analysis and visualization, determining content categories and more
  • Microsoft Linguistic Analysis API
  • Bing sentiment analysis—Microsoft’s Bing search engine now uses sentiment in its search results
  • PyTorch NLP—Deep learning library for NLP
  • Stanford CoreNLP—A Java NLP library, which also provides a Python wrapper. Includes corefererence resolution, which finds all references to the same thing.
  • Apache OpenNLP—Another Java-based NLP library for common tasks, including coreference resolution. Python wrappers are available.
  • PyNLPl (pineapple)—Python NLP library provides a range of NLP capabilities
  • SnowNLP—Python library that simplifies Chinese text processing
  • KoNLPy—Korean language NLP
  • stop-words—Python library with stop words for many languages. We used NLTK’s stop words lists in this chapter.
  • TextRazor—A paid cloud-based NLP API that provides a free tier

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