Very well done. I like the step-by-step animation. Another nice sort visualization is Sortviz.org. For example: http://sortvis.org/algorithms/combsort.html

Very well done. I like the step-by-step animation. Another nice sort visualization is Sortviz.org. For example: http://sortvis.org/algorithms/combsort.html http://sortvis.org/algorithms/combsort.html and http://sortvis.org/algorithms/heapsort.html http://sortvis.org/algorithms/heapsort.html