Working a lot right now on the Tix Integrated Development Environment: http://starship.python.net/crew/mike/
TIDE includes: IDEStudio SpecTix TixXf and TixClips.
TIDE is built on the Tixapps framework http://tix.sourceforge.net/Tixapps/ which is a library and suite of programs which work as either Tcl or Tkinter applications, including TixDebug TixInspect and TixInfo.