Hi Mamba release v2.0 is out Mamba is a Virtual MIDI keyboard with some extended, unique features. Key features: Supports jack-interconnect-ALSA MIDI I/O. 16 Channel Live MIDI Looper Every channel use it's own Color to display the played Notes per channel. MIDI File player/recorder Integrated Fluidsynth support. Release v2.0: Add recent file manager to have fast access to last used Sound-fonts and MIDI files Allow to append/remove MIDI files to/from the master loop while playing (Recent file menu) Implement 'View' menu to allow show/hide the MDID CC controllers and/or the Channel/Program/Instrument view. Allow to select the key-size for the MIDI keyboard (Big/Normal/Small) to better match the screen settings. Mamba is released under the BSD Zero Clause License license The GUI is build on libxputty - A damn tiny abstraction Layer to create X11 window/widgets with cairo surfaces https://github.com/brummer10/libxputty To build Mamba from source, the following dependencies must be meat. * libfluidsynth-dev * libc6-dev * libsmf-dev * libcairo2-dev * libx11-dev * liblo-dev * libsigc++-2.0-dev * libjack-(jackd2)-dev * libasound2-dev So, here is the project page: https://github.com/brummer10/Mamba and here you'll find the last release: https://github.com/brummer10/Mamba/releases/tag/v2.0 regards hermann