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Open-source notices

VoxTyping — Third-Party Notices

This application bundles open-source components. Full license texts are available
in the corresponding Python packages. Below are components with distribution
obligations relevant to end users.

KenLM (ufal.kenlm)
  License: LGPL 2.1
  Runtime: downloaded separately from cdn.voxtyping.com (not embedded in VoxTyping.exe).
  Install path: %LOCALAPPDATA%\VoxTyping\runtime\kenlm\
  Users may replace files in that directory with a modified LGPL-compliant build.
  Wheel used to build CDN runtime packs: https://pypi.org/project/ufal.kenlm/
  SOURCE OFFER (LGPL-2.1 Section 6):
    Upstream: https://github.com/kpu/kenlm
    Archive: https://github.com/kpu/kenlm/archive/refs/heads/master.zip
    Matching build / tag: legal@voxtyping.com
    Public page: https://voxtyping.com/legal/kenlm-source
    Repo stub: Docs/legal/kenlm-source.md

ONNX Runtime
  License: MIT
  https://github.com/microsoft/onnxruntime

faster-whisper / CTranslate2
  Licenses: MIT
  https://github.com/SYSTRAN/faster-whisper

PyAV / FFmpeg libraries
  License: LGPL 2.1 / GPL 2.1 (depending on component; see PyAV documentation)
  https://github.com/PyAV-Org/PyAV

sherpa-onnx
  License: Apache 2.0
  https://github.com/k2-fsa/sherpa-onnx

onnx-asr
  License: see upstream repository
  https://github.com/istupakov/onnx-asr

OpenVINO NPU encoder/decoder shims (voxtyping_backends.ov_npu)
  Derived from wyoming-parakeet-on-intel-npu (Apache 2.0)
  https://github.com/cibernox/wyoming-parakeet-on-intel-npu

PyAudioWPatch
  License: MIT
  https://github.com/s0d3s/PyAudioWPatch

libsndfile / soundfile (optional — speaker audio archive FLAC)
  License: LGPL 2.1
  https://github.com/libsndfile/libsndfile
  https://github.com/bastibe/python-soundfile

FLAC codec (via libsndfile when available)
  License: BSD-style (Xiph.Org)
  https://xiph.org/flac/

opuslib / libopus (optional — speaker audio archive Opus)
  License: BSD (libopus)
  https://opus-codec.org/

Hermit Dave FrequencyWords (switcher / Typing Corrector wordlists)
  License: see upstream repository (word frequency lists downloaded on demand)
  https://github.com/hermitdave/FrequencyWords
  Runtime: lazy download per active layout into %LOCALAPPDATA%\VoxTyping\lang\
  Not embedded in VoxTyping.exe by default; CDN/release may mirror selected `{lang}_50k.txt`.

For questions about third-party compliance: support@voxtyping.com

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