Project Nashorn (pronounced: ˈnaːshɔɐ̯n)
Javascript runtime for the JVM (follow-on from Rhino).
Project:
http://openjdk.java.net/projects/nashorn/
Code base (OpenJDK8):
http://hg.openjdk.java.net/jdk8/jdk8/nashorn
Code base (OpenJDK9):
http://hg.openjdk.java.net/jdk9/jdk9/nashorn
AvatarJS
NodeJS port on Nashorn (NodeJS on the JVM).
Project:
https://web.archive.org/web/20160422030959/https://avatar-js.java.net https://web.archive.org/web/20161116063836/https://avatar.java.net/
Sources:
https://web.archive.org/web/20160410032600/https://java.net/projects/avatar-js/sources
Presentations
Here's a presentation from a BGJUG member at a Java conference in Sofia. It covers topics like Lambdas on Nashorn, AvatarJS, AvatarEE, etc...