For those who want to experience the industry standard without an immediate investment, the Traktor Pro 3 demo is the primary starting point. This is not a stripped-down version of the software; it is the full, professional application.
If you are looking for a version of Traktor that is "free" without time interruptions, Traktor DJ 2 is the answer. Built from the ground up to be accessible yet powerful, this version was designed for both iPad and desktop (Windows/macOS). dj traktor free