Alternatives to SkyEmu
A low-level emulator for the Game Boy, Game Boy Color, Game Boy Advance and Nintendo DS. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
SkyEmu
A low-level emulator for the Game Boy, Game Boy Color, Game Boy Advance and Nintendo DS.
Replacements
Listings that take over the same core job as SkyEmu.
melonDS
A Nintendo DS and DSi emulator focused on accuracy and speed, with local wireless between emulated consoles.
melonDS focuses on DS and DSi with local wireless play and resolution scaling, but does not emulate the Game Boy family.
mGBA
A Game Boy Advance emulator that gets the accuracy right and still runs at full speed on weak hardware.
mGBA covers Game Boy Advance and earlier, runs on Windows, macOS and Linux, but has no DS support.
NooDS
A fast, portable open-source emulator for the Nintendo DS and Game Boy Advance.
NooDS covers DS and GBA but not the original Game Boy, and adds Windows, Android and homebrew console builds.
DeSmuME
Long-running Nintendo DS emulator with high-resolution rendering.
DeSmuME is a long-running DS emulator with high-resolution 3D, cheats and movie recording, but releases are infrequent, performance is demanding and it lacks Game Boy support.
VisualBoyAdvance-M
A Game Boy, Game Boy Color and Game Boy Advance emulator that continues the original VisualBoyAdvance.
VisualBoyAdvance-M covers Game Boy, Color and Advance with Windows, macOS, Linux builds and Flathub packaging, but it does not emulate the Nintendo DS.
no$gba
A Game Boy Advance, Nintendo DS and DSi emulator with a source-level debugger.
no$gba covers GBA, DS and DSi with a source-level debugger for homebrew work, but it is closed source and runs only on Windows and DOS.
RetroArch
One front end for dozens of emulators, with unified settings, shaders and a controller setup you only do once.
RetroArch covers all these handhelds through separate cores in one front end with shaders, on desktop and mobile platforms.
BizHawk
A multi-system emulator built for tool-assisted speedrunning, with rewinding, frame stepping, memory search and input recording.
BizHawk covers Nintendo handhelds among many systems with rewinding and TAS tools, but runs on Windows and Linux only.
Also worth comparing
These listings name SkyEmu as their own alternative, so the relationship runs both ways.
BGB
A Game Boy and Game Boy Color emulator with a built-in debugger for Windows and Wine.
SkyEmu is an open-source, low-level emulator that covers Game Boy, Game Boy Color, GBA and DS in one program, but its documented builds are for macOS and Linux.
Gearboy
An accurate Game Boy, Game Boy Color and Super Game Boy emulator with a built-in debugger.
SkyEmu covers Game Boy, Game Boy Color, GBA and DS with low-level emulation in one program, though it lists only macOS and Linux and platform support is not clearly documented.
SameBoy
Highly accurate Game Boy and Game Boy Color emulator.
SkyEmu covers Game Boy through Nintendo DS in one low-level emulator, but its platform support is less clearly documented, listing macOS and Linux.
Similar software
Related functionality, not a direct replacement.
Azahar
Run Nintendo 3DS software with an open-source emulator.
