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SkyEmu vs melonDS: catalog facts
SkyEmu	melonDS
Free Free to download, with source code published on GitHub.	Free Free and open source under the GPL.
macOS, Linux	Windows, macOS, Linux
Covers Game Boy, Game Boy Color, GBA and DS in one program Low-level emulation aimed at preservation	Emulates DSi hardware as well as the original DS Local wireless play between emulated consoles
Platform support is not clearly documented in the research You must supply your own game files	Firmware boot needs a dump from an original DS or DS Lite; DSi and 3DS dumps will not… You must supply BIOS, firmware and game files yourself
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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