Apps similar to Genesis Plus GX include RetroArch, which is free and open source. Other options are Kega Fusion, RetroX, RetriX and BlastEm. Game Emulators like Genesis Plus GX are a crowded field, with more than 25 alternatives for Windows, Linux, Mac, Android and the web.
A fast, modular emulator frontend offering portability and extensive support for systems from arcade consoles to mobile platforms, featuring game engines like Doom and Quake, and capabilities for real-time rewinding and shader support on a variety of devices.
France
EU
Kega Fusion is an emulator for the Sega Genesis / Megadrive, Master System, Game Gear, 32x, SegaCD/MegaCD, SVP, Pico, SG-1000, SC-3000, and SF-7000 emulator for Win9x/ME/2000/XP/Vista/Win7, Mac OSX (Intel), and Linux.
United Kingdom
RetroX is an Android application that will help you organize and play your own Retro Games with the less possible effort. Put your collection in your device and RetroX will take care of the rest.
RetriX is an emulator front end for UWP, on all the hardware platforms it supports: it serves the same purpose as RetroArch but is built from the ground up to integrate as well as possible with Windows.
United States
MESS emulates portable and console gaming systems, computer platforms and calculators. The project strives for accuracy and portability and therefore is not always the fastest emulator for any one particular system.
Serbia
Gens is a Win9x based emulator for the SEGA Genesis/Mega-Drive/Sega-CD/ Mega-CD/32X systems, it allows you to play games developed for these classic SEGA 16bit game consoles on your x86 compatible PC.
Gens is developed by St?phane Dallongeville and has been coded 35% in C/C++ an.
Gens Plus! is a Sega Genesis / 32X / SegaCD / Master System / Game Gear emulator based on the Gens emulator that has added features.
Gens/GS is a version of Gens maintained by GerbilSoft. The main goal of Gens/GS is to clean up the source code and combine features from various forks of Gens, as well as improving portability to other platforms.
United States
Advanced open-source Sega Genesis/Mega Drive, Sega CD, and Master System/Mark III emulator based on portions of Genesis Plus/Gens/Picodrive/Mednafen, designed and tested on the original Droid/Milestone, Xoom, Galaxy S2, Nexus 4, Nexus 7, NVidia Shield, Xperia Tablet Z, and...
United States
gGens (MD) is a free, ad-driven emulator for Android that emulates the classic Sega Genesis and Sega Mega Drive videogame systems.
PicoDrive is a Sega Mega Drive/Pico emulator programmed by notaz. It works on windows systems and has the functions that would be expected of a Pico emulator. The pen board is on a separate window but by selecting a certain option the game screen itself can be used as the pen...
Portugal
