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QMidiPlayer vs FluidSynth: catalog facts
QMidiPlayer	FluidSynth
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the LGPL 2.1.
Linux	Windows, macOS, Linux, Command line
Uses FluidSynth for MIDI playback Packaged on Flathub and AUR	Supports SoundFont 2, SoundFont 3 and DLS banks Plays MIDI files from a built-in command shell
No official binaries from the author Homepage shows little sign of recent development	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-3.0-or-later	License: LGPL-2.1-only
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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