What is NLTK?
It is a suite of libraries and programs for symbolic and statistical natural language processing for English written in the Python programming language.
NLTK is a tool in the Machine Learning Tools category of a tech stack.
Who uses NLTK?
28 companies reportedly use NLTK in their tech stacks, including Shelf, Quezx.com, and Autonom8.
59 developers on StackShare have stated that they use NLTK.
NLTK Alternatives & Comparisons
What are some alternatives to NLTK?
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It is a library for advanced Natural Language Processing in Python and Cython. It's built on the very latest research, and was designed from day one to be used in real products. It comes with pre-trained statistical models and word vectors, and currently supports tokenization for 49+ languages.
It is a Python library for topic modelling, document indexing and similarity retrieval with large corpora. Target audience is the natural language processing (NLP) and information retrieval (IR) community.
TensorFlow is an open source software library for numerical computation using data flow graphs. Nodes in the graph represent mathematical operations, while the graph edges represent the multidimensional data arrays (tensors) communicated between them. The flexible architecture allows you to deploy computation to one or more CPUs or GPUs in a desktop, server, or mobile device with a single API.
PyTorch is not a Python binding into a monolothic C++ framework. It is built to be deeply integrated into Python. You can use it naturally like you would use numpy / scipy / scikit-learn etc.
scikit-learn is a Python module for machine learning built on top of SciPy and distributed under the 3-Clause BSD license.