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BizHawk vs SkyEmu: catalog facts
BizHawk	SkyEmu
Free Free and open source under the MIT licence.	Free Free to download, with source code published on GitHub.
Windows, Linux	macOS, Linux
Frame stepping, rewinding and unlimited named savestates across every core Memory view, search and edit in all emulated hardware components	Covers Game Boy, Game Boy Color, GBA and DS in one program Low-level emulation aimed at preservation
Windows users must run a separate prerequisites installer first Windows and Linux only; macOS is not officially supported	Platform support is not clearly documented in the research You must supply your own game files
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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