10 Best Free Natural Language Processing (NLP) Tools

NLP enables computers to understand human language. These free tools offer powerful NLP capabilities for tasks like chatbots and sentiment analysis.

1. spaCy

spaCy: an open-source NLP library known for fast, efficient processing in tasks like tokenization, POS tagging, and named entity recognition.

NLTK: a comprehensive Python library for NLP, ideal for tokenization, parsing, tagging, and research, with extensive text corpora and resources.

2. NLTK

3. Stanford NLP

a robust NLP tool suite offering POS tagging, NER, parsing, and sentiment analysis, widely used in research with Java and Python support.

A Python library that provides a simple API for performing common NLP tasks such as part-of-speech tagging, noun phrase extraction, sentiment analysis, classification, and translation

4. TextBlob

5. Hugging Face Transformers

A popular library offering pre-trained models for a wide variety of NLP tasks, such as text generation, sentiment analysis, translation, and summarization.

a scalable NLP service for entity recognition, sentiment analysis, syntax analysis, and content classification, ideal for developers.

6. Google Cloud Natural Language API

A robust text analysis service that offers features like sentiment analysis, entity extraction, keyword extraction, and emotion detection.

7. IBM Watson Natural Language Understanding

Part of the Azure Cognitive Services suite, this tool provides a range of NLP capabilities, including sentiment analysis, key phrase extraction, language detection, and named entity recognition.

8. Microsoft Azure Text Analytics

A Python library designed for topic modeling and document similarity analysis, Gensim is particularly well-known for its implementation of algorithms like Latent Dirichlet Allocation (LDA) and Word2Vec.

9. Gensim

A series of powerful language models developed by OpenAI, including the well-known GPT (Generative Pre-trained Transformer) family.

10. OpenAI GPT