diff --git a/dotnet-developer-projects.md b/dotnet-developer-projects.md
index 6f13d0b..8953eb4 100644
--- a/dotnet-developer-projects.md
+++ b/dotnet-developer-projects.md
@@ -218,6 +218,7 @@ Please sort projects alphabetically and provide a one-line description. GitHub/C
 ## Data Mine/Data Extraction/Machine Learning/AI
   * [AForge.NET](http://www.aforgenet.com/) - a C# framework designed for developers and researchers in the fields of Computer Vision and Artificial Intelligence - image processing, neural networks, genetic algorithms, machine learning, robotics.
   * [Accord.NET Framework](https://github.com/accord-net/framework) - The Accord.NET Framework is a .NET machine learning framework combined with audio and image processing libraries completely written in C#.
+  * [Catalyst](https://github.com/curiosity-ai/catalyst) - pure C# Natural Language Processing library built for speed. Inspired by spaCy's design, it brings pre-trained models, out-of-the box support for training word and document embeddings, and flexible entity recognition models.
   * [Nepy](https://github.com/tonyqus/nepy) - A collection of NLP parsers for .NET. (Not Updated in 3 Years - 4/2018)
   * [SharpNLP](http://sharpnlp.codeplex.com) - SharpNLP is a collection of natural language processing tools written in C#. (No Recent Updates - Still On Codeplex - 4/2018)
   * [Toxy](https://github.com/tonyqus/toxy) - An data/text extraction framework for .NET, similar to Tika in Java. (Not Updated in 2 Years - 4/2018)