Download page

Here are the download links:


(This is independent non-commercial software which will probably trigger a security warning and it may need to be unblocked or opened with a right-click. If in doubt, ask a friend to confirm that it is safe to run. We want you to be absolutely confident that this small program is innocent.)

See also:

The demo in a browser

The source code

For the Java Runtime Environment (JRE), go to

The extended version (equally free, but 4.4 MB)