WinUAE - WinUAE is a Windows port of the emulator UAE.
ePSXe - ePSXe (enhanced PSX emulator) is an emulator of the PlayStation video game console for x86-based PC...
jGameBase - jGameBase is a fully-featured retro-gaming emulator frontend and game database utility.
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
Z26 - Z26 is one of the best emulators for the Atari 2600.
FPse - PSX emulator on Windows Mobile or Windows Phone Device and Android.