Open-source licenses
Last updated 17 October 2026
SoundLab is built with these open-source projects. Thank you to their authors.
In the app (your browser)
| Project | Used for | License |
|---|---|---|
| SoundTouchJS (unmodified; a port of SoundTouch by Olli Parviainen) | Changing the key | LGPL-2.1. Source: github.com/cutterbl/SoundTouchJS |
| Mediabunny | Taking the sound out of videos | MPL-2.0 |
| React, React Native, React Native Web, Expo | The app itself | MIT |
| Supabase JS | Sign-in, live progress | MIT |
| Sentry SDK | Error reports | MIT |
| Plus Jakarta Sans, Outfit | Fonts | SIL Open Font License 1.1 |
On our servers
| Project | Used for | License |
|---|---|---|
| Demucs (htdemucs model) by Meta AI | Separating vocals and music | MIT |
| Whisper by OpenAI | Transcribing lyrics | MIT |
| stable-ts | Timing lyrics to the music | MIT |
| PyTorch | Running the AI models | BSD-3-Clause |
| FFmpeg | Converting and mixing audio | LGPL-2.1+ / GPL-2.0+ |
| Flask, NumPy, Requests, boto3 | Our server and jobs | BSD / Apache-2.0 |
Full license texts are available from each project's website. Questions: [email protected]