Mixxx integrates the tools DJs need to perform creative live mixes with digital music files. Whether you are a new DJ with just a laptop or an experienced turntablist, Mixxx can support your style and techniques of mixing. BPM, Key Detection & Sync BPM and musical key detection help you find the perfect next track from your library. Use master sync to match the tempo and beats of four songs for seamless mixing. DJ Controller Support Built-in mappings for DJ controller hardware gives you hands-on control of Mixxx's features. Use the programmable mapping system to customize your workflow and add support for any MIDI or HID device. Effects Add your unique spin to tracks with sound effects. Get creative by chaining multiple effects together and twisting all their knobs. Vinyl Record Control Use turntables with timecode vinyl records to control playback and scratch your digital music files as if they were pressed on vinyl. Mix music vinyls into your set by toggling vinyl passthrough mode. Mixxx is free open-source software and entirely community-driven. There is no company behind Mixxx — the development is shouldered by passionate DJs and programmers that dedicate their free time to working on their favorite DJ software. Mixxx is and always will be free! See dozens more features or download Mixxx and start DJing now!