VisualMon is a concise dashboard for Java web applications, it shows statistics gathered by JAMon, reduced to the data relevant to the concrete web application and with a visually pleasant appearance.
Spring-dashboard provides real-time statistic and monitoring view of any spring-framework web application. With Spring-dashboard developers and testers can monitor flows within the application, as well as gather statistic information on application usage
Free Java monitoring library to easily instrument apps to measure performance detail over time with minimal overhead. Has dashboard, SVG graphs. Extends Jamon and its statistical data, same usage. http://www.e-peas.com/opensla/. JMX, SNMP planned.