sarasvati
· Sarasvati is a workflow/bpm engine based on graph execution. It has a simple core which allows for different implementations. For example one may change the persistence mechanism (or avoid it altogether), change token representation or build additional functionality on top.
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 sarasvati-parent-2.0.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.