FastText is a state-of-the-art tool that can be used to perform text classification and build efficient word representations. It is open source and is designed at Facebook Artificial Intelligence Research (FAIR) lab. It is written in C++, and you also have wrappers available in Python.
This book has the ambitious goal of covering all and techniques and know-how that you need to build NLP applications in the real world. It will also cover the algorithms on which fastText is built so that you will clearly understand the context in which you can expect the best results from fastText.