Play Live - Retro arcade games for everyone
Mesen - Mesen is a NES/Famicom emulator and NSF player.
Escape From: A Christmas Tale - An experimental retro game based on CSS Grid Layout
Nestopia - A portable and cycle-accurate NES emulator written in C++
Game Oldies - Hundreds of free retro games online
FCEUX - FCEUX is a Nintendo Entertainment System (NES), Famicom, and Famicom Disk System (FDS) emulator.