Jarn (or Yarn - I think it might be a soft j) is a Java-based interpreter for the Yarn language.
However, it uses ANTLR to generate the parser so it would be possible to create interpreters in other languages in the future.
compile "org.mini2Dx:jarn:1.1.2"
<dependency>
<groupId>org.mini2Dx</groupId>
<artifactId>jarn</artifactId>
<version>1.1.2</version>
</dependency>
See the wiki for documentation.
See the website for Javadocs per release.
The project is licensed under the MIT License.