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It provides to calculate the realtime tempo differences between two audio tracks

Convert amr between different formats.

Eusing Free Video Converter can convert video files between many formats.

Can measure the distance (in pixels) between to points

Easily transfer music and videos between your iPod/iPhone and your computer.

Convert between a large collection of audio file formats.

Convert video between most popular WMV, AVI, MPEG and other video formats.

It allows you to convert between swf and exe format.

Automatically translate subtitle files fast between more than 50 languages.

A SMTP gateway between your mail server and the Internet, catching spam/viruses.