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.
J-gramS is a diagram editor that uses Java and SWT. Similar to idraw and xfig it focuses on creating diagrams easily without a complicated user interface. Diagrams produced by J-gramS are saved as SVG or a number of image formats.