JNA provides Java programs easy access to native shared libraries without writing anything but Java code - no JNI or native code is required.

Java Native Access Platform

Jenkins core code and view files to render HTML.

Vaadin server

JIRA provides cutting edge issue tracking and project management.

dnsjava is an implementation of DNS in Java. It supports all defined record types (including the DNSSEC types), and unknown types.

JLine Bundle

Groovy: A powerful multi-faceted language for the JVM

The Commons Byte Code Engineering Library (BCEL) is designed to provide users with a convenient way to analyze, create, and manipulate compiled .class files.

Core Resource Management

Java API Client for Docker