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ZSNES vs jgenesis: catalog facts
ZSNES	jgenesis
Free Free and open source under the GPL-2.0 licence.	Free Free to download from GitHub.
Linux	Windows, Linux, Web
Classic ZSNES interface kept working on modern systems Available as a Flatpak	Several Sega consoles plus the SNES in one emulator Runs in a browser through WebAssembly
Less accurate emulation than newer SNES emulators A community fork rather than the original project	macOS is not officially supported Smaller project than the established multi-system emulators
Downloadable app	Downloadable app, Web application
Open source	Closed source
License: GPL-2.0	License not stated
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 October 1, 2026

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