SonicBrief
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Licences

What you can do with it.

SonicBrief is open source. Two licences apply, because the Android app links a GPL runtime that the rest of the project does not use.

Everything except android/

MIT © 2026 nestchao

  • CoversThe web workspace, FastAPI backend, desktop shell, Chrome extension, MCP server and this website
  • You canUse, copy, modify, merge, publish, sublicense and sell it
  • You mustKeep the copyright notice and licence text with copies
  • WarrantyNone — provided as is

Read the MIT licence →

The Android app

GPL-3.0-only

  • WhyIt links the GPL-3.0 youtubedl-android acquisition runtime
  • You canUse, study, share and modify it
  • You mustOffer the source of the version you distribute, under the same licence

Read the GPL-3.0 licence → · Android source →

Third-party components

Their own terms

  • BundledFFmpeg, yt-dlp, faster-whisper, CTranslate2, the youtubedl-android runtime, Whisper model weights
  • TypefaceManrope, SIL Open Font License 1.1
  • Full listEvery notice, version and obligation is in the repository

THIRD_PARTY_NOTICES.md →

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