Network monitoring and troubleshooting is hard. TotalView makes it easy.
This means every device on your network, and every interface on every device is automatically analyzed for performance, errors, QoS, and configuration.
Little "snasation" game involving Patty. Written in Java and JavaScript. Besides, there's a port of Flixel to Java and Slick2D, called Slixel, developed alongside with a platform game called QNQ: Qualcosa Non Quadra.
This profiler (JRE 1.5.0 only) uses JVMTI and native bytecode instrumentation for the analysis of the heap, reachable objects, execution time, garbage collection efficiency, code coverage and thread contention. No preparation steps required in build.