======KGuiTune====== {{metacard>}} {{tag>instrument_tuners}} ~~META:title=KGuiTune~~ ~~META:desc=Qt instrument tuner takes a signal from the microphone, calculates its frequency, and displays it on a note scale graphic and an oscilloscope. It supports normal, Wien, and physical tuning~~ ~~META:screenshot=http://freecode.com/screenshots/07/e7/07e70a71fac29f435d72bc7e5f26289c_medium.jpg~~ ~~META:link=http://freecode.com/projects/kguitune~~ ~~META:releasedate=2007~~