# Natural Language Processing - [[token|Tokenizers]] - [[embedding|Embeddings]] - Frameworks - NLTK, popularity is declining - spaCy, widely used in production systems - Hugging Face, "democratizing NLP/ML", known for its advanced pre-trained models. - Flair, built by Humboldt University of Berlin, based on [[pytorch|PyTorch]] - Stanza, developed by Stanford - TensorFlow and PyTorch systems - LangChain, with integration with LLMs - Jina AI