DJ Software. MP3 Mixing Utility. All needed to make beatmatching mix.
Problem with other mixing utilities is that automatic detection doesn't detect BPM properly for some songs, especially with broken beat (hiphop etc.).
Here you can adjust BPM value manually. You can make approximate BPM detection by clicking mouse and adjust exact BPM by scrolling value.
Automatic BPM detection is also supported.

You can see if beat match on track graphics. It shows audio amplitude and beats position for mixing tracks.

Splitter mode.
Can be used on all audiocards.
In this mode left channel is used for auditory, while right channel is used for dj, to check if mix is ok.

Also you can save mix to mp3 file to play it later.