Bernie ][ The Rescue (formerly Fast Eddie) is the software that pioneered Apple IIgs emulation. It supports virtually all aspects of an Apple IIgs ROM 1 and 3 including serial communications, IWM, Ensoniq sound, all the graphics modes plus...

Basilisk II (PowerPC build) is a Powerpc program that emulates a 68K Macintosh.It is more realistic than Mini vMac.You can also change the speed simulation

BSNES has a somewhat different purpose to most emulators; it focuses on accuracy over performance. To that end, it does not include any game specific hacks, or idle-loop skipping optimizations commonly found in other emulators. To add to the fun, it...

 Bochs is a highly portable open source IA-32 (x86) PC emulator written in C++, that runs on most popular platforms. It includes emulation of the Intel x86 CPU, common I/O devices, and a custom BIOS. Bochs can be compiled to emulate many...

Boycott/MacOS is a Nintendo Gameboy emulator for the Macintosh. Boycott supports both original and Colour Gameboy emulation, along with reasonably good compatibility. It also supports Rumble Pack emulation and snapshots. On the interface side, it...

MacBochs is a port of Bochs, an x86 emulator. It is capable of running Windows, MS-DOS and compatibles, and numerous flavors of Linux and BSD. It comes pre-configured with a minimal install of FreeDOS.

The Blitter Library plugin adds additional video modes to most of the emulators available from this site. The additional modes are as follows: Blitters Arcade Mode (2x, 3x, 4x, 5x) Arcade Mode 25% (2x, 3x, 4x, 5x) Arcade Mode 50% (2x,...

Boxer plays MS-DOS games on your Mac. It’s based on the robust DOSBox emulator, with a lot of magic sprinkled on top. Run DOS programs from Finder. Wrap your games into tidy gameboxes that launch like Mac apps. Painlessly install...

BoycottAdvance/MacOS is a Gameboy Advance emulator for the Macintosh. It can run most of the existing Gameboy Advance software to some degree, albeit slowly - a G4 is the realistic minimum system, and even then you will not get full speed all the...

Basilisk II is a 68040 (early 1990's Macintosh) emulator.  It features sound, color graphics, networking, serial port emulation and much more.  It runs all colored games and software from the 68K Macintosh era.  Earlier BII...