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Qsynth vs FluidSynth: catalog facts
QsynthFluidSynth
Free

Free and open source under the GPL version 2 or later.

Free

Free and open source under the LGPL 2.1.

Linux Windows, macOS, Linux, Command line
  • Graphical control of FluidSynth
  • Plays MIDI through SoundFont 2 files
  • Supports SoundFont 2, SoundFont 3 and DLS banks
  • Plays MIDI files from a built-in command shell
  • Linux focused
  • Requires FluidSynth to be installed
  • No graphical interface; needs a separate front end such as QSynth
  • Requires SoundFont files to produce sound
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0-or-later License: LGPL-2.1-only
No account needed No account needed
Works offline Works offline

Checked October 1, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.