Simsam is a simple MIDI sample playback program. You can use it to play drum samples and loops from a MIDI keyboard or sequencer. It relies on ALSA and JACK, as well as Qt for the GUI.
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This release has XML patch files, reverse mode, a play button, an ALSA 1.0 workaround, de-interlaced stereo samples, cleaner GUI internals, a waveform viewer, and a 'middle loop' mode.