Fractice is a free, open-source fractal explorer and renderer for XP/Vista/Win7. It supports navigation, history thumbnails, previews, antialiasing, deep zoom, printing, posters, palettes, multicore and distributed processing, movie recording, undo/redo, color cycling, and job control. It also has VJ features, such as mixing, mirroring, origin motion, palette tweening, dual-monitor, and MIDI. A 64-bit version is available.