Insignia has a tough challenge: to deliver Windows on a Mac completely via software. The Power Macs are here, and so is SoftWindows — with a strong endorsement by Apple. Does SoftWindows solve the speed problem? No, although performance is now...

Part of being a Mac addict is learning how to live with your Mac in a Windows world. We've been calling on Virtual PC for all our Wintel needs for years, and version 5 makes it easier than ever to use PC-only peripherals and software and to open...

Zodiac is a highly portable and versatile MSX emulator.

Q is a 32-bit x86 PC emulator for Mac OS X. Q is a very good emulator, but is a bit complex to set up. Perfect for computers from the mid-Mac OS X era (for example, OS X 10.5). It has a very minimalistic but fully functional interface.

Stop The Madness is one of the earliest Apple II Plus emulators. It is reported as having decent speed and compatibility with Apple II software. It even runs on a MC68040-based Macintosh.

Connectix’s Virtual PC essentially puts a PC on your Mac desktop. It mimics an Intel Pentium II processor, letting you run Windows programs without having a physical processor card in your Mac or buying an actual PC. Version 4 of this...

Generator/MacOS is a Sega Genesis/Megadrive emulator for the Macintosh. Generator is compatible with the majority of Genesis software. It supports full sound emulation, with accurate emulation of both the YM2612 FM chip and the SN76489 PSG. Two...

Genesis Plus is a Sega Genesis/Megadrive emulator for the Macintosh. Genesis Plus has excellent compatibility with original software, and full sound support. Saved states, gzipped ROMs, and battery RAM are all supported. Additional features can...

MacMoon is an arcade emulator. It supports the following games:  Pac Man, Ms. Pac Man, Galaxian, Crush Roller, War of the Bugs, Pisces, Super Galaxian, The End, Moon Cresta, Pengo, Ladybug, Naughty Boy, Mr. Do, WarpWarp, Scramble, Uniwars, and...

"Modeler is a Sega arcade emulator for Macintosh. The current version supports the three Sega arcade boards based on the NEC V60 CPU - Sega System 32, Sega System 32 Multi, and Sega Model 1. While the Model 1 games are currently not...

CPSMAME is based on MAME, but only supports emulation of CPS-1 and CPS-2 arcade machines. It tended to support new Capcom titles faster than MAME.

PPC version

Intel version

PalmPilot emulator

Dolphin is a GameCube and Wii emulator with high compatibility across the majority of titles for both platforms. It was first developed as closed source in 2003, and as open source since 2008. Official site

Guest PC is another computer inside your Mac. That computer is an emulated x86 PC. It is virtual, it has no separate monitor, mouse, keyboard or hard drive. It is just a Mac OS X program that allows you to install the Microsoft Windows operating...

SPIM/SAL emulates the MIPS R2000/R3000 RISC computers. 

MagiCMac was a piece of Software for running Atari ST applications on Classic Mac OS. There also exists a version for Mac OS X running on PPC. It doesn’t need an Atari ROM since it is based on their own OS for Ataris which could even be...