Pretty alternative to JProgressBar?

I'd like a nice progress bar for long running processes. Are there any pretty alternatives to JProgressBar out there, specifically for indeterminate processes?

I'm thinking of Web-2.0-looking twirls, spinning wheels, what have you.

Imaginary bonus points for no cost, LGPL-licensed stuff. ;)


You might like to wait with style ;)

Here's a WebStart demo app

Here's a screen shot:

I think this is what you need:

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