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Furnace vs Fasttracker II clone: catalog facts
Furnace	Fasttracker II clone
Free Free and open source under the GPL.	Free Free and open source under the BSD-3-Clause licence.
Windows, macOS, Linux	Windows, macOS, Linux
Supports many classic sound chips in one tracker Compatible with DefleMask modules	Faithful recreation of the Fasttracker II interface Native builds for Windows and macOS, including Apple silicon
Tracker interface has a learning curve for newcomers	Linux packages are not supported by the author Unsigned macOS build needs manual approval to run
Downloadable app	Downloadable app
Open source	Open source
License: GPL	License: BSD-3-Clause
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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