Basilisk II

Basilisk II is a free 68000 Macintosh emulator written in C/C++.

Emulated hardware

Emulates either a Mac Classic (which runs MacOS 0.x thru 7.5) or a Mac II series machine (which runs MacOS 7.x, 8.0 and 8.1), depending on the ROM being used
Color video display
CD quality sound output
Floppy disk driver (only 1.44MB disks supported)
Driver for HFS partitions and hardfiles
CD-ROM driver with basic audio functions
Easy file exchange with the host OS via a "Host Directory Tree" icon on the Mac desktop
Ethernet driver
Serial drivers
SCSI Manager (old-style) emulation
Emulates extended ADB keyboard and 3-button mouse
Uses UAE 68k emulation or (under AmigaOS and NetBSD/m68k) real 68k processor