From Rafal Rusin:
This application provides a way to easily find seamless loops. It may be used by musicians, who want to create nice instruments from short wave samples. It may also be used for people who want to mix some vocal sounds. It works as following. First, you need to set the beginning of loop. An upper chart shows you a best value for begin position of your loop (the less changing sound). Then for selected beginning, a lower chart shows the best value for ending position of loop. After you choose it, you click "find loop" button, optionally with crossfade feature. Then, the best loop is calculated and you can try it. This version is the first release on CNET Download.com.