The library term refers to Bonzai Engine.
If your product is not intended for commercial gain and does not include the library for resale, license or other commercial distribution, then use of the library is free under the following terms, conditions and limitation:
Bonzai Engine, bonzaiengine.com, Copyright © 2007-2017 Jérôme Jouvie
Powered by Bonzai Engine, bonzaiengine.com
Using by Bonzai Engine, bonzaiengine.com
If you're interested in commercial license (in binary or source code form) or in consulting/development services, please get in touch with jerome.jouvie@gmail.com.