Node.js native addon build tool

Plumb a PDF for detailed information about each char, rectangle, line, et cetera — and easily extract text and tables.

Python PDF Parser (Not actively maintained). Check out pdfminer.six.

A Python library to extract tabular data from PDFs

Named Entity Recognition (LSTM + CRF) - Tensorflow

Text Classification Library in Keras

spaCy REST API, wrapped in a Docker container.

A library and command line utility for diffing xml