This is the Sling-based Sakai 3 kernel that uses OSGi.

To run:

mvn clean install
. tools/version
java -jar app/target/org.sakaiproject.nakamura.app-${K2VERSION}.jar

This will start Felix configured with Sling and the Sakai nakamura bundles.

You will find the bundles under ./bundles and some libraries under ./libraries.