XTuner is a breakout of the guitarix tuner LV2 plugin as Jack standalone application with NSM support. project page: https://github.com/brummer10/XTuner release page: https://github.com/brummer10/XTuner/releases/tag/v1.0 license GPL-2.0 License <https://github.com/brummer10/XTuner/blob/master/LICENSE> regards hermann