Crystal is a fast, scalable and extensible general purpose decision making AI for C# that is based on concepts in utility theory. It was created and is maintained by Ioannis Giagkiozis.
To get started check out the Crystal AI pages.
You can have a look at the Crystal AI Roadmap on Trello. Drop us a line at the Crystal AI Forums if you think we've missed a feature you'd love to see implemented in future versions of Crystal.
Code and documentation copyright 2016-2017 the Bismur Studios Ltd. and Ioannis Giagkiozis. This is the Community version of Crystal AI and is released under the GPL v3 license. For further details on licensing please see Crystal AI licensing page.