Cemu is a Wii U emulator
GameCube and Wii emulator for PC (Windows, Mac, & Linux)
Full featured Cross-platform GameBoy emulator by Rust
An NES emulator in C++
A cross-platform PSP emulator
Emulator of x86-based machines based on PCem
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
The original IBM PC and other machine emulations in JavaScript
Play! - PlayStation2 Emulator
A portable library and tools for archiving images of Atari 8-bit tapes
A gameboy emulator that only plays Pokemon Blue, in ~50 lines of c++.
A free, cross-platform emulator for GW-BASIC, PCjr & Tandy BASIC
An Emscripten port of DOSBox
Shell script to set up a Raspberry Pi/Odroid/PC
A portable, open-source (GPLv2) 8086 PC emulator.
vim-mode improved
Preview of some basic Android emulation functionality
higan is a multi-system emulator focused on accuracy & preservation
A basic gameboy emulator with terminal "Cloud Gaming" support
Edit, migrate, manage WoW accounts and characters
Simple 8-bit Assembler Simulator with Angular.js