Our website provides a free download of TheOne 1.7 for Mac. The program relates to Audio & Video Tools. The actual developer of this Mac application is Audio Artery.
From the developer:
One DJ is the first All-in-One solution for preparing DJ sets, performing live and creating mixes.
You may want to check out more Mac applications, such as M-Audio Key Rig, The Grand 2 or VDrumLib, which might be similar to TheOne.