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Mednafen vs DuckStation: catalog facts
Mednafen	DuckStation
Free Free and open source under the GPL.	Free Free to download and use for non-commercial purposes under CC BY-NC-ND 4.0.
Windows, macOS, Linux, Command line	Windows, macOS, Linux
One accurate emulator covering a long list of systems Saturn and PC Engine emulation are among the most accurate available	CPU recompilers for x86-64, ARMv7, AArch64 and RISC-V, so it runs well on handhelds too Hardware renderers on D3D11, D3D12, OpenGL, Vulkan and Metal
Command-line driven with no real graphical interface Configuration is a text file with many options	Licensed CC BY-NC-ND 4.0, which forbids commercial use and derivative works, so it is not open source A PS1 or PS2 BIOS image is required and is not supplied
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License: CC-BY-NC-ND-4.0
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 20, 2026

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