My other fractals: http://pauldoo.com/fractals/
Drag the orange dot around to see the Julia Set corresponding to each point on the Mandelbrot Set. The sketchy green outline is a rough approximation of the shape of the Julia Set.
Click the button at the bottom of the applet to open a new window showing a fully interactive detailed view of your current Julia Set.
Pan: Click and drag.
Zoom: Mousewheel or +/-.
Rotate: Click and drag whilst holding shift.