Open-Source Attributions
StashWhisper v1.0.2 · Updated October 11, 2026
StashWhisper is built on the open-source software and machine-learning
models listed below. Each component remains the property of its
copyright holders and is used under the license shown. The complete
license texts ship with the app (THIRD_PARTY_LICENSES.txt,
ATTRIBUTION.md in the installation folder) and are shown
inside StashWhisper under Open-source licenses.
Native components and models
| Component | Used for | License | Copyright |
|---|---|---|---|
| whisper.cpp / ggml | Speech-to-text engine (incl. optional Vulkan GPU backend) | MIT | © 2023-2026 The ggml authors; llamafile sgemm kernels © 2024 Mozilla Foundation (MIT) |
| OpenAI Whisper | Speech recognition models (small, large-v3-turbo) | MIT | © 2022 OpenAI |
| Vulkan-Headers | Vulkan API headers in the optional GPU backend | Apache-2.0 OR MIT (used under MIT) | © The Khronos Group Inc. |
| ONNX Runtime | Neural network runtime | MIT (+ third-party notices) | © Microsoft Corporation |
| Silero VAD | Voice activity detection model | MIT | © 2020-present Silero Team |
| JSON for Modern C++ | JSON parsing in native modules | MIT (with embedded MIT, CC0-1.0, Apache-2.0 parts) | © 2013-2022 Niels Lohmann and contributors |
| SQLite | Local database engine | Public domain | — |
| llama.cpp / ggml | On-device language/embedding model engine | MIT | © 2023-2026 The ggml authors |
| EmbeddingGemma | Text embedding model | Gemma Terms of Use |
Flutter, Dart and packages
StashWhisper is built with the Flutter framework and the Dart SDK (BSD-3-Clause, © The Flutter Authors / The Dart project authors) and these packages with their dependencies: cupertino_icons, crypto, ffi, file_picker, flutter_markdown_plus, flutter_onnxruntime, markdown, ms_store_trial, path, record and shared_preferences. Their full license texts are listed in the app's Open-source licenses screen.
Not distributed with StashWhisper
The Vulkan loader (vulkan-1.dll) is part of your graphics driver. The Microsoft Visual C++ runtime is redistributed under Microsoft's redistribution terms. Microsoft Copilot, opened in your browser by "Send to Copilot", is a separate Microsoft service and no part of it is included in StashWhisper.
Questions about licensing: [email protected]