

NLTK (Natural Language Toolkit) is a leading platform for building Python programs that work with human language data. It provides tools for text analysis, classification, tokenization, and more.
Key features
- Comprehensive library for text processing
- Supports over 50 corpora and lexical resources
- Easy integration with other Python libraries
- Extensive documentation and tutorials
- Interactive shell for quick prototyping
Pros
- Free and open-source
- Large community support
- Robust for educational purposes
- Flexible for various NLP tasks
Cons
- Steeper learning curve for beginners
- Performance may lag with large datasets
- Limited built-in visualization tools