Apache Continuum
· Apache Continuum is an enterprise-ready continuous integration server
with features such as automated builds, release management, role-based
security, and integration with popular build tools and source control
management systems.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window continuum-parent-5.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.