SONU: open-source voice typing

Dictate into any app. Local transcription by default.

SONU is a free, open-source voice typing app for Windows, macOS and Linux. Press a shortcut, speak, and your words are typed into whatever you are using, transcribed locally by Parakeet, Whisper or Moonshine.

Latest release: see GitHub

Windowsx64 installer (.exe) macOS · Apple Silicon.dmg macOS · Intel.dmg LinuxAppImage Linux.deb Linux.rpm
SONU home dashboard, dark theme

Why SONU

100% offline by default

Transcription runs on your device. No account, no subscription, no audio uploaded unless you turn on a cloud engine.

Real-time

Live preview while you speak, then a final transcription pass.

Types anywhere

Browser, IDE, email, Slack, Discord, Word: anywhere you can type.

Model-dependent languages

Supported languages depend on the selected model. Test the language and audio you need.

Context-aware

Adapts tone and formatting to the app you are typing in.

Optional AI clean-up

Optional text cleanup sends text to the remote OpenAI-compatible provider you configure.

Docs

Install guide

Per-platform steps, including first-run permissions.

Architecture

Tauri v2 (Rust) core, React UI, transcribe-rs engines.

AI features

Enhancement, providers and prompts.

Security

Privacy model and how to report issues.

Changelog

Every release, newest first.

Contributing

Build from source and send a PR.