AppleWin (Apple //e Emulator for Windows) – a fully-featured emulator supporting different Apple II models and clones. A variety of peripheral cards and video display modes are supported (eg. NTSC, RGB); and there’s an extensive built-in symbolic debugger.
It offers support for launching appliacations written for the Apple II+ or the Apple IIe.
AppleWin was originally written by Mike O’Brien in 1994.