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OpenEmu vs Mednafen: catalog facts
OpenEmu	Mednafen
Free The open-source application is available without a license fee.	Free Free and open source under the GPL.
macOS	Windows, macOS, Linux, Command line
Native Mac library interface with artwork and metadata handled for you One controller configuration applies across every emulated system	One accurate emulator covering a long list of systems Saturn and PC Engine emulation are among the most accurate available
macOS only Core updates depend on the OpenEmu team packaging them	Command-line driven with no real graphical interface Configuration is a text file with many options
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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