BizHawk is a multi-system emulator written in C#
A Nintendo 3DS Emulator
A cross-platform PSP emulator
PlayStation 3 emulator and debugger
MAME is a multi-purpose emulation framework
Cemu is a Wii U emulator
Original Xbox Emulator for Windows, macOS, and Linux
Game Boy Advance, Game Boy, Game Boy Color, and DS Emulator
Third-party TI-84 Plus CE / TI-83 Premium CE emulator
DOSBox Staging is a modern continuation of DOSBox
Emulator of x86-based machines based on PCem
Fast PlayStation 1 emulator for x86-64/AArch32/AArch64
Dolphin is a GameCube / Wii emulator
Virtual amiibo (amiibo emulation) system for Nintendo Switch
Virtualization software for x86_64 hardware
Experimental PlayStation Vita emulator
HLE 3DS emulator
A fast usermode x86 and x86-64 emulator for Arm64
DeSmuME is a Nintendo DS emulator
DS emulator, sorta
An NES emulator in C++
mGBA Game Boy Advance Emulator
Game Boy and Game Boy Color emulator written in C
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Game Boy / Game Boy Color / Super Game Boy emulator, debugger