Sirona
· Sirona provides a simple, lightweight toolkit to instrument java application monitoring capabilities, including
performances and thread concurrency.
This version is based on the apache project which went into attic.
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 sirona-0.6.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.