Acknowledgments
Toast Karaoke is built with open-source software. We're grateful to the people who made it. The components below are included in the app under their own licenses; each license's full text ships with the product and is available on request.
_Last updated: 2026-09-04 · verify this list against the actual build before each release._
Media processing
- FFmpeg — LGPL v2.1 or later. Toast Karaoke uses an LGPL build of FFmpeg (
ffmpeg/ffprobe), invoked as a separate, unmodified executable. It is not statically linked into the app. You may replace the bundled binaries with your own LGPL-compatible build. Source and license: <https://ffmpeg.org> · <https://www.ffmpeg.org/legal.html>
Fonts & icons
- Material Symbols — Apache License 2.0. © Google. <https://fonts.google.com/icons>
- Font Awesome 6 Free (icons) — CC BY 4.0; (font files) — SIL OFL 1.1. © Fonticons, Inc. <https://fontawesome.com>
- Google Sans — Google brand font, used from Google's web font service and not redistributed with the app.
Application framework
- Python — Python Software Foundation License.
- FastAPI — MIT · Starlette — BSD-3-Clause · Uvicorn — BSD-3-Clause
- Pydantic — MIT · httpx — BSD-3-Clause · websockets — BSD-3-Clause
- aiofiles — Apache-2.0 · python-multipart — Apache-2.0 · watchfiles — MIT
- Pillow — HPND (PIL/MIT-CMU) · qrcode — BSD · psutil — BSD-3-Clause
- python-dotenv — BSD-3-Clause · requests — Apache-2.0
Desktop shell
- Electron — MIT · ws — MIT · Node.js — MIT (and its bundled components).
Trademarks and product names belong to their respective owners. If you believe something is missing or misattributed, contact us at contact@toastkaraoke.com.