Alternatives to SMS Plus GX

It suits players looking to emulate Sega systems and developers who want source-level debugging for SGDK or other C or C++ projects.

MasterGear may suit hobbyists debugging software for the listed SEGA systems, as well as people seeking emulation on Windows, Linux, or Android.

Manic EMU suits iPhone and iPad users who want to emulate classic systems and use save states, cheats, or multiplayer features.

MAME suits people interested in preserving or examining vintage systems, developing software for them, or diagnosing emulation behavior.

It suits developers or retro-game enthusiasts who want a source-available Game Gear emulator and Z80 tooling on Linux or macOS.

Provenance

Provenance suits Apple-platform users looking for a multi-system retro game emulator frontend.

Genesis Plus GX suits people seeking emulation of Sega 8-bit and 16-bit systems, particularly those using its standalone GameCube or Wii builds or a supported frontend.

RetroArch suits people looking for a unified frontend for emulators, game engines, and media players, from beginners to power users.

MEKA is aimed at programmers and people working with Sega 8-bit systems, uncommon games or hardware.

Eclipse

Eclipse suits players who want to load games from local files or linked cloud storage and play them on Android, iOS, or web.

Emulicious

Emulicious suits players seeking a free emulator for its five listed console systems, and developers who want debugging tools or VS Code integration.

OpenEmu

OpenEmu suits Mac users who want one library for games they already own and support for many console systems.

Dega may suit people running Sega Master System, Mark III, or Game Gear games on Windows or *NIX, particularly those interested in scripting or movie recording.

Hemulator suits people seeking a configurable desktop emulator for classic systems, as well as developers who want headless tools for automated checks.

Wigglegram Creator suits people who want to turn image sequences into animated GIFs or looping videos through a graphical interface.

BizHawk suits tool-assisted speedrunners and users who need frame-level recording, rewind, memory tools, or scripting.

higan suits people looking for a free desktop emulator covering a range of listed systems, particularly those interested in accuracy, preservation or configurability.

Lemuroid

It suits Android users who want one library for legally obtained games across multiple console and arcade categories.

It suits users running Sega software on Windows, Linux, or self-hosted systems who need broad console coverage.

jgenesis suits players seeking one emulator for the listed classic Sega, Nintendo, and PC Engine systems on Linux or Windows web environments.

Retropa suits people who want handheld, console, and arcade emulation on Apple devices and can provide their own game files.