Other (Multiple Systems) Emulators

Name	Description
bee	Bee is an emulator of several consoles, currently it emulates the Master System, ColecoVision, and SG-1000, as well as the Atari 2600/VCS. It's designed with an eye towards accuracy, so you may need a fast computer to run it.
DCMO6	CDMO6 emulates the Thompson MO6, MO5NR, and PC128. The program uses DC6809, which is a Motarola 6809 mircoprocessor emulator.
DSP Emulator	This Spectrum/arcade/Phoenix/CPC/Colecovision emulator is open source, coded in Delphi as well, like DelphiSpec. This also emulates some arcade games.The WIP version requires DLLs that you should only download ONCE.
EMU	This emulator runs the Bashkiria-2M computer and several others.
Emulator 3000	Emulator 3000 emulates a load of calculators, computer systems (including consoles, although some are not currently enabled), and Handheld Electronic Games. In order to install it, you must get the kernel files and then get the individual parts you wish to emulate. Extract them all to the same directory. This emulator has a nice interface and seems promising. You can also get an italian version of this emulator.
GM2001	An emulator of the Gamemaster 2001, it requires DOS 6.2 or above, as well as a speedy 386+ CPU.
Mednafan-rr	This is a branch of Mednafen that adds video recording features to the emulator, making it easier to record a video of your performance.
Mednafen	Mednafen is an emulator that, like MESS, emulates several different consoles all in one program. This includes the Atari Lynx, Gameboy Color, Gameboy Advance, NES, PC-Engine/Turbografix, SuperGrafix, NeoGeo Pocket (color), and Wonderswan (color). Last update: 2009-07-02
NinthStar	A multiconsole emulator for the Nintendo and the Atari 2600. As far as the Nintendo goes, so far it supports mappers 0, 1, 2, 3, 4, Basic 5, 7, 8, 9, 10, 11, 73, and the Atari 2600 part of it supports 2k/4k/8kF8/16kF6 ROMs. At the request of the author, the files are linked from his servers.The source is also released in GPL form. NinthStar is written in MSVC 6.0 using DirectX 8.0.
RetroCopy	RetroCopy emulates old game consoles, such that you can relive the good times of your past that you spent playing some of the best games ever made. Emulation involves simulating the game console hardware in software, and RetroCopy simulates hardware extremely accurately (at the cycle level) which ensures old games are represented exactly like they were on the real systems.Reliving old memories isn't just about playing the games. The feelings you got looking at game covers in the store can be relived in RetroCopy as you can view the gameboxes in full 3D! Zoom and rotate in to read the boxes and check the slogans! RetroCopy emulates both the Nintendo Entertainment System (NES) and Sega Master System (SMS), the two most popular 8bit consoles of the 80s and 90s. The Sega System E arcade hardware is emulated as well. Not only is the core emulation very accurate, RetroCopy supports numerous input devices like Light guns, trackballs, etc. For Windows 7, Vista, XP and 2000.
SmartGear	SmartGear is a multi-system emulator. Currently it supports the GameBoy, GameBoy Color, NES, GameGear, MasterSystem, TurboGrafx-16, and Genesis/MegaDrive. This is a trial version, the full version must be paid for and registered.
Takeda's Common Project	This emulator emulates a whole slew of old Japanese computers. If you are looking for a computer that other emulators don't seem to support, give this one a try.
YAME	All of the documentation for this emulator is in Japanese. Its a multiconsole emulator. It supports the TurboGrafx 16, NES, SNES and Gameboy.
Z80 Systems Emulator	This emulator is able to run several games from various Z80-based systems, such as the SHARP-systems MZ-80K, MZ-80A, and MZ-700, but additionally some old arcade games, the Spectrum, Coleco, ZX81, TRS80, Coleco, Invaders, Galaxian, Scramble, Pacman, and Ladybug.You must download the emulator from the author's website.

Other (Multiple Systems) Emulators on Other Platforms

Unix/Linux (3)
Macintosh (1)
Consoles
-- Playstation Portable (1)
-- Zodiac Tapwave (1)
Palm OS (3)
Pocket PC (4)
Digital Phones (1)

Emulators For:
Windows/DOS
Unix/Linux
BeOS
Macintosh
Amiga
Consoles
Java
Palm OS
Pocket PC
Digital Cameras
Digital Phones
Calculators
QNX
Windows Mobile Smartphone
Microsoft Silverlight

Other Releases
Extenders
Frontends
ROMs (Public Domain)
Hacks
Cheats
Movies
Savestates
Music
Technical Documents
Translations

Utilities:
General
Auditing
Cheating
Development
Game Modification
Music Playback / Manipulation
Plugins