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FamiStudio vs Furnace: catalog facts
FamiStudio	Furnace
Free Free and open source under the MIT licence.	Free Free and open source under the GPL.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux
Piano roll editing instead of a traditional tracker Exports NSF and ROM files and ships a sound engine for homebrew games	Supports many classic sound chips in one tracker Compatible with DefleMask modules
Limited to NES and Famicom sound hardware Original author has stepped back from day-to-day development	Tracker interface has a learning curve for newcomers
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL
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 September 24, 2026

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