Computer Emulators

Computer emulators are emulators for other, usually non-PC computers of the past and present such as the Commodore 64 or the Apple Macintosh.

Emulators

BizHawk	Windows	Open-Source	Rating: 8.0 (1395 Votes)
Multi-system emulator designed for Tool-Assisted Speedruns (TAS)
ScummVM	Many	Open Source	Rating: 8.0 (21 Votes)
open source game engine
DOSBox	Many	Freeware	Rating: 7.9 (32 Votes)
DOS-emulator
CPCE	Windows/Dos	Freeware	Rating: 7.8 (9 Votes)
Amstrad CPC Emulator
Mini vMac	Many	Freeware	Rating: 7.7 (10 Votes)
A miniature Macintosh emulator
CCS64	Windows	Freeware	Rating: 7.7 (29 Votes)
Commodore64 Emulator
RetroArch	Multi-platform	Open-Source	Rating: 7.7 (252 Votes)
Frontend for the Libretro API, effectively a multi-system emulator
YAPE	Windows	Freeware	Rating: 7.3 (6 Votes)
Commodore plus/4 emulator.
VICE	Windows	Freeware	Rating: 6.6 (27 Votes)
C64, C128, VIC20, all the PET models, PLUS4 and CBM-II emulator.
PearPC	Windows	Freeware	Rating: 6.1 (21 Votes)
PowerPC architecture emulator, which allows Mac OS X emulation on PC
Hoxs64	Windows	Freeware	Rating: 5.8 (9 Votes)
Commodore 64 emulator
Neko Project II	Windows	Freeware	Rating: 5.6 (16 Votes)
PC-9801E emulator.