The sierpinski triangle implemented in java utilizing the swing framework for gui.
The source code can be found in a git repository, which is located here: http://git.neo2k.dk/?p=sierpinski.git;a=summary
Below's an applet of the application, click the button to show the frame:
Here's a screenshot of revision 940 (from svn) and v1.09 (tag from git) compared to show a sort of evolution:
This app now (since v1.06) uses the sierpinski-bean library, which can be found here.