OpenVoiceOS
by OpenVoiceOS community
Community continuation of Mycroft — modular open-source voice assistant for Linux + Pi.
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TL;DR
Best for self-hosting a privacy-respecting voice assistant on a Raspberry Pi 4/5 with no cloud dependency. Pricing: free.
Category
Open source
License
Apache-2.0
Stars
★ 283
Last push
2026-08-04
Pricing
free
Platforms
Linux, Hardware
What it is
OpenVoiceOS (OVOS) is the modular reboot of Mycroft. It separates ASR, TTS, intent parser, and skills into pluggable layers, so you can pair Vosk with Whisper-server with a Llama-based intent handler.
Best for: Self-hosting a privacy-respecting voice assistant on a Raspberry Pi 4/5 with no cloud dependency.
Watch out for: Setup is hobbyist-grade; documentation patchy; speech-to-text quality depends on the chosen plug-in (Vosk, Whisper, etc.).
Watch out for: Setup is hobbyist-grade; documentation patchy; speech-to-text quality depends on the chosen plug-in (Vosk, Whisper, etc.).
Install / use
openvoiceos.org — Raspberry Pi images + Docker
Features
| Speaker diarization | No |
| Word-level timestamps | No |
| Streaming / real-time | Yes |
| Languages supported | 8 |
| HIPAA eligible | No |
Links
OpenVoiceOS vs Whipscribe
| Feature | OpenVoiceOS | Whipscribe |
|---|---|---|
| Category | Open source | Transcription APIs |
| Pricing | free | $4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup |
| Speaker diarization | — | Yes |
| Word timestamps | — | Yes |
| Streaming | Yes | No |
| Languages | 8 | 99 |
| Platforms | Linux, Hardware | Web, API, MCP |
Alternatives to OpenVoiceOS
Whipscribe is a managed faster-whisper + whisperX service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.