It is integrated in to many DJ software like Serato DJ Pro, Traktor Pro, Virtual DJ, ...
It is possible to forward the BPM of these applications to our software.
To do that :
Run first the DJ software and activate its « Ableton Link » function.
And run our software and press the button « Ableton Link ».
Then the BPM value in our software will show the BPM of the DJ software.
How to use Ableton Link with our software