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Snes9x vs Mednafen: catalog facts
Snes9x	Mednafen
Free Free and open source under a non-commercial licence: the Snes9x licence permits free…	Free Free and open source under the GPL.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Very high compatibility with the SNES library, including cartridge enhancement chips Native builds for Windows, Linux (GTK and X11), FreeBSD and macOS	One accurate emulator covering a long list of systems Saturn and PC Engine emulation are among the most accurate available
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	Command-line driven with no real graphical interface Configuration is a text file with many options
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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