Jace is a java-based Apple //e emulator with many compelling features:
] Disk and Mass-storage (hard drive, 3.5 floppy) images
] Joystick and Mouse are fully supported (Joystick can be emulated with either keyboard or mouse, Java doesn't have native joystick support)
] All graphics modes are supported, including Apple RGB "Mixed" and B&W modes.
] Fullscreen and windowed modes supported
] PassPort MIDI support for Ultima V
] MetaCheat allows quick and easy ability to find and alter active memory
] MetaCheat also provides a live heat-map showing all RAM activity, color coded to indicate read, write or CPU execution -- Perfect for reverse engineers
] Optional Debugging rom (][DB) can be enabled for a more powerful monitor]
Super serial emulated as a tcp/ip port
] Mockingboard support, partial Phasor support
] Highly flexible configuration allows any combination of cards and many extra options. You can even alter configuration while the emulation is running!