NLTK

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
• Some advanced features require additional libraries