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bsnes vs Snes9x: catalog facts
bsnes	Snes9x
Free The open-source emulator is available without a license fee.	Free Free and open source under a non-commercial licence: the Snes9x licence permits free…
Windows, macOS, Linux	Windows, macOS, Linux
HD Mode 7 and run-ahead give a visibly better result than a plain emulator Low-level emulation of enhancement chips rather than high-level shortcuts	Very high compatibility with the SNES library, including cartridge enhancement chips Native builds for Windows, Linux (GTK and X11), FreeBSD and macOS
Accuracy mode is demanding on older hardware Development has been community-maintained since the original author's death	The licence prohibits commercial use, so it is not open source in the OSI sense Less cycle-accurate than bsnes or higan if exactness is your priority
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 21, 2026

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