Compare software

BUTT vs Mixxx: catalog facts
BUTT	Mixxx
Best for: Internet radio hosts streaming live from a microphone or mixer	Best for: DJs from beginners to turntablists who want free mixing software
Free Free to download, with optional support through Patreon.	Free Free and open source, developed by volunteers.
Windows, macOS, Linux	Windows, macOS, Linux
Supports Icecast, Shoutcast and WebRTC (WHIP) servers Can record the broadcast locally while streaming All 3 strengths for BUTT Supports Icecast, Shoutcast and WebRTC (WHIP) servers Can record the broadcast locally while streaming Installer, portable Windows build, DMG and AppImage available	BPM and key detection with four-deck sync Built-in controller mappings plus custom MIDI and HID mapping All 3 strengths for Mixxx BPM and key detection with four-deck sync Built-in controller mappings plus custom MIDI and HID mapping Timecode vinyl control and internet broadcasting
Cannot stream audio files directly without a routing tool Simple feature set; mixing and scheduling live in the separate BUTTM app	Some controllers need community or custom mappings Community-driven with no commercial support
Downloadable app	Downloadable app
Not open source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for BUTT danielnoethen.de/butt Catalog checked October 2, 2026	Official website Full listing and sources Sources for Mixxx mixxx.org Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.