Scribbn
Licenses
Scribbn · Version 1.0 · Last updated 21 October 2026
Scribbn is built with open-source software and uses third-party services. Thank you to all authors. The complete license texts of all packages in the app (including indirect dependencies) are available in the app under Settings → Open source licenses.
Open-source software
| Component | License | Link |
|---|---|---|
| Flutter and Dart | BSD-3-Clause | flutter.dev |
| flutter_riverpod | MIT | pub.dev |
| go_router | BSD-3-Clause | pub.dev |
| dio | MIT | pub.dev |
| ffmpeg_kit_flutter_new_audio, FFmpeg and audio libraries | LGPL-3.0 (no GPL components) | pub.dev, ffmpeg.org |
| file_picker | MIT | pub.dev |
| share_plus | BSD-3-Clause | pub.dev |
| url_launcher | BSD-3-Clause | pub.dev |
| package_info_plus | BSD-3-Clause | pub.dev |
| connectivity_plus | BSD-3-Clause | pub.dev |
| in_app_review | MIT | pub.dev |
| in_app_purchase | BSD-3-Clause | pub.dev |
| google_mobile_ads | Apache-2.0 | pub.dev |
| flutter_svg | MIT | pub.dev |
| flutter_markdown_plus | BSD-3-Clause | pub.dev |
| shared_preferences, path_provider, path | BSD-3-Clause | pub.dev |
| uuid | MIT | pub.dev |
FFmpeg
Scribbn uses FFmpeg through the plugin ffmpeg_kit_flutter_new_audio to convert audio files on your device. The build contains FFmpeg and the audio libraries LAME, libvorbis, Opus, Speex, SoXR, TwoLAME, Shine, iLBC, OpenCORE AMR and VO-AMRWBENC, each under its own license. The plugin is licensed under the GNU Lesser General Public License v3.0 (LGPL-3.0) and the build contains no GPL components. FFmpeg source code: ffmpeg.org. License text: gnu.org/licenses/lgpl-3.0. You can request the corresponding source code and information on how to replace the library at hello@scribbn.com.
Graphics
- App icons and interface icons: Google Material Icons, Apache License 2.0 (fonts.google.com/icons).
- Round flag graphics: circle-flags by HatScripts, MIT License.
- Onboarding illustration and app icon motif: licensed from the respective stock providers (royalty-free).
Third-party services
- Microsoft Azure AI Speech and Azure AI Language: commercial cloud services of Microsoft, used under the Microsoft terms.
- Google AdMob, Google User Messaging Platform and Google Play Billing: services and libraries of Google, used under the Google terms.
Trademarks belong to their owners. Names of apps such as WhatsApp, Signal or Threema are used only to describe compatibility.