Free, open-source, node-based audio routing for macOS, Windows and Linux
Take the vocals out. Keep the sound.
Stage
Not given
Startup
Founded
Not given
2026
Based in
Not given
PH
Pricing model
Open source
Freemium
Pricing
Free. Source code available under MIT license on GitHub.
Free: all tools with no sign-up or watermark on audio. Pro: $4.99/month, $1.99 for 7-day pass, or yearly plan (price not specified). Pro adds HQ split, removes watermark from videos, and increases transcription limit from 10 to 60 per hour.
Key features
Node-based audio routing graph
Unlimited virtual audio devices
System audio and per-app audio capture
Microphone capture with noise suppression, gate, compressor and EQ
CLAP, AU and VST3 plugin hosting
Multi-format recording including WAV, FLAC, AIFF, Opus, MP3, AAC
Audio streaming over network via WebRTC and UDP
Real-time resampling between different sample rates
Split songs into voice, drums, bass and other parts
Slow down songs to 50% speed without changing pitch
Change song key by up to 12 semitones
Loop sections and build speed for practice
Transcribe audio and generate subtitles
Identify song name and show lyrics
Mix parts with individual volume controls
Works on phone and desktop in browser with no app
What makes it different
Works on macOS, Linux and Windows with the same node graph approach
No kernel extension required on macOS
Open source under MIT license with full source code on GitHub
Includes built-in effects and supports third-party VST3, AU and CLAP plugins
Can record while routing audio in real time to multiple formats
All processing runs on your device with no file upload to servers
Completely free with no sign-up or watermark on audio
Uses open-source Meta HTDemucs model for splitting
Handles files up to 500MB and 20 minutes long
Works instantly in browser without re-encoding video
Splitwave
Extractune