FCEUX is a Nintendo Entertainment System (NES), Famicom, and Famicom Disk System (FDS) emulator. It supports both PAL (European) and NTSC (USA/JPN) modes. It supports both Windows and SDL versions for cross compatibility.


The best free alternative to Nestopia is FCEUX, which is also Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Nestopia and 12 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Nestopia are Mesen, Nestopia UE (Undead Edition), NostalgiaNes and puNES.
FCEUX is a Nintendo Entertainment System (NES), Famicom, and Famicom Disk System (FDS) emulator. It supports both PAL (European) and NTSC (USA/JPN) modes. It supports both Windows and SDL versions for cross compatibility.


Mesen is a multi-system emulator (NES, SNES, Game Boy, PC Engine, Master System/Game Gear) for Windows, Linux and macOS built in C++ and C#.
It also includes an extensive set of debugging tools for homebrew development and romhacking.






Nestopia is a portable NES/Famicom emulator written in C++. Nestopia UE (Undead Edition) is a fork of the original source code, with enhancements from members of the emulation community.


NostalgiaNes is a high quality emulator based on the most up-to-date revision of the famous FCEUX.




PuNES is a high accuracy NES emulator.
In addition to the standard color pallettes used by most NES emulators, PuNES uses a color palette derived from an actual tv.


Nesbox Emulator is a multiplatform emulator of video consoles. You can play your favorite NES, Super Nintendo, Sega Genesis and GameBoy Color/Advanced games on any computer working under Windows 8.1/RT/Phone or directly in the browser.



NES emulator for Android phones.
This project is based on sources, published by original Nesoid developer, who in turn used code of GPFCE, forked from FCEUltra, currently incarnation of which is known as FCEUX.


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.

DroidEmu is a game system to play SNES, NES, GameBoy Advanced, GameBoy/Color, SEGA GameGear, SEGA Genesis games on your Android phone. It runs thousands of games at full speed.






only 1 executable file and AIO program. Debugger, Emulator and .nsf(8 bit music) player nice.