SPE is a python IDE with auto indentation&completion,call tips,syntax coloring&highlighting,uml viewer,class explorer,source index,todo list,pycrust shell,file browsers,drag&drop,Blender support.Spe ships with wxGlade,PyChecker and Kiki.
Yet Another Java Profiler (YaJP) is a profiler tool that uses the JVMTI interface. It can be used to selectively trace a java program and store this information in a compressed logfile. This logfile can then later be analyzed using the same tool.
Leaktool : A java memory leak hunting tool using jvmpi.