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jgenesis vs BizHawk: catalog facts
jgenesis	BizHawk
Free Free to download from GitHub.	Free Free and open source under the MIT licence.
Windows, Linux, Web	Windows, Linux
Several Sega consoles plus the SNES in one emulator Runs in a browser through WebAssembly	Frame stepping, rewinding and unlimited named savestates across every core Memory view, search and edit in all emulated hardware components
macOS is not officially supported Smaller project than the established multi-system emulators	Windows users must run a separate prerequisites installer first Windows and Linux only; macOS is not officially supported
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License: MIT
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 21, 2026

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