: VirtualDJ is generally free for personal home use without a controller.
: Newer versions (like VirtualDJ 2022/2024) include advanced AI-driven features , such as stems (separating vocals and instruments in real-time) and advanced harmonic mixing that automatically matches track keys. virtual-dj-studio-pro-v7-8-1-2015-with-license-keys
: It provided a full mixer interface with support for multiple "decks" (up to 15-20 depending on hardware), allowing for complex audio, video, and karaoke mixing. : VirtualDJ is generally free for personal home