Legal
Licences and attribution
Rooster is built on open source work by others. This page credits that work and carries a copy of every licence it is used under. Rooster itself processes your recordings on your Mac.
Parakeet TDT 0.6B v3
NVIDIA
Speech transcription.
Converted to Core ML by FluidInference. Rooster uses the converted models unmodified.
FluidAudio
FluidInference
Runs the Parakeet models on the Apple Neural Engine.
whisper.cpp
Copyright (c) 2023-2026 The ggml authors
Transcription for languages Parakeet does not cover.
DeepFilterNet
Copyright (c) 2021 Hendrik Schröter
Studio Sound noise removal.
fastcluster
Copyright © 2011 Daniel Müllner; changes from version 1.1.24 on © Google Inc.
Hierarchical clustering, compiled into Rooster as part of FluidAudio.
Wrapped in C for Swift by FluidInference as FluidAudio's FastClusterWrapper.
VBx
Copyright 2021-2024 BUT Speech@FIT
Speaker clustering, compiled into Rooster as part of FluidAudio.
Reimplemented in Swift by FluidInference as part of FluidAudio.
Lucide
Copyright (c) 2026 Lucide Icons and Contributors
The Feedback control in Rooster's title bar.
The bug icon's path, converted to a SwiftUI Shape and drawn in the title bar.
Sparkle
Copyright (c) 2006-2013 Andy Matuschak and the Sparkle contributors
Installs updates in the copy downloaded from this site. The Mac App Store version carries no part of it.
Unused Downloader XPC service removed before embedding. Not otherwise modified.
Transcription models you supply
Rooster can transcribe with a Whisper model file that you download and choose yourself. Those model files are not distributed with Rooster, so they are covered by whatever licence you obtained them under.
Corrections
If a credit here is wrong or incomplete, please tell us and we will correct it.