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Qtractor vs Ardour: catalog facts
Qtractor	Ardour
Free Free and open source under the GPL version 2 or later.	Freemium The source is free software and Linux distributions package ready-made builds at no cost…
Linux	Windows, macOS, Linux
Combined audio and MIDI multitrack recording Familiar tape-recorder style workflow	A complete DAW with unlimited tracks, unlimited undo and a genuinely flexible mixer Floating-point processing and support for hardware control surfaces
Linux only Depends on JACK and ALSA setup	Official prebuilt binaries are paid, though the price is up to you A steep learning curve if you have not used a DAW before
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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