Download page

Get the app from Github:

or from here:

(This is independent non-commercial software which will probably trigger security warnings and obstacles; it may need to be unblocked or opened with a right-click. We won’t tell you to just ignore the warnings. If you are unfamiliar with stuff like this, ask a friend. We want you to be absolutely confident that this simple 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)