This will soon be a QT tool for the marlin firmware.

indended features:
 Temp monitoring+PID adjustments,
 find accurate accelerations/velocities
 eeprom values managing
 configuration.h and pins.h creation.

requires: qt 4, qwt v5, qserialdevice 
currently tested in linux
to build, you have to adopt the qtmarlin.pro to have the correct dependency paths.
then qmake-qt4 or just qmake in case there is no qt3 installed.