Audiomass – a free, open-source multitrack audio editor for the web
Multitrack DAW running entirely in the browser with zero backend dependencies.

Multitrack DAW running entirely in the browser with zero backend dependencies.
WebAssembly ML inference beats server-based tools like vocalremover.org on privacy.
Text or an image -> a studio-style song with auto-generated lyrics and even a SynthID authenticity watermark; that's the product pitch and it's compelling in one line. The site bundles sensible add-ons (AI video maker, vocal remover, lyrics tool) that nudge it from a novelty toward a usable toolkit, but the space is crowded and the integration is still 'coming soon,' so the real test will be fidelity of Lyria 3 outputs and licensing/rights details.
Finally, a way to preview Ghostty themes without editing config files manually.
Runs vocal separation and transcription locally on Apple Silicon, no subscriptions required.