What are good alternatives to NLTK?


What are good alternatives to NLTK?

Wikipedia contains an extensive listing of Natural language processing toolkits, under Outline of natural language processing.

See also my recent answer to:

In light of the updated comment, I have presented a metric, see references below:

  • NLTK (Natural Language Toolkit) .. Python (240)
  • OpenNLP .. Java (38)
  • MALLET (MAchine Learning for LanguagE Toolkit) .. Java (34)
  • Stanford NLP .. Java (31)
  • LingPipe .. Java (5)
  • FreeLing .. Ruby (4)
  • TreeTagger .. Ruby (2)

Note, ClearNLP may be added to the above list:

  • ClearNLP .. Java (6)