Emulator of x86-based machines based on PCem
Virtualization software for x86_64 hardware
Original Xbox Emulator for Windows, macOS, and Linux
Game Boy and Game Boy Color emulator written in C
BizHawk is a multi-system emulator written in C#
Qt-based Nintendo Entertaiment System emulator and NSF/NSF2/NSFe Music
DeSmuME is a Nintendo DS emulator
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
An advanced network simulator to design and configure virtual networks
Versatile Commodore Emulator
Run Windows applications on Linux, BSD, Solaris, and Mac OS X
Apple 2 and Agat 7/9 emulator
Emulator of the 8-bit computers Sharp MZ-800 / MZ-700
A Macintosh m68k emulator
A portable library and tools for archiving images of Atari 8-bit tapes
Thomson TO7 Emulator for Linux