NLTK is a popular Python library for natural language processing that provides tools for sentiment analysis, tokenization, and other NLP tasks.
TextBlob:
TextBlob is a simple and easy-to-use Python library for processing textual data. It provides a sentiment analysis API and tools for working with textual data.
VADER (Valence Aware Dictionary and sEntiment Reasoner):
VADER is a sentiment analysis tool specifically designed for social media text. It uses a pre-built lexicon and rule-based approach to analyze sentiment.
Scikit-learn:
Scikit-learn, a machine learning library in Python, provides tools for building and evaluating machine learning models, making it useful for sentiment analysis tasks.
Transformers Library (Hugging Face):
The Transformers library by Hugging Face provides pre-trained models, including BERT and GPT, which can be fine-tuned for specific sentiment analysis tasks.