OpenVoiceOS
OpenVoiceOS is a free, open-source voice AI platform that runs on Raspberry Pi, desktops and embedded devices, enabling custom voice assistants with privacy and flexibility.
Pricing Model: Free
https://www.openvoiceos.org/
Release Date: 09/10/2020

OpenVoiceOS Features:

  • Open-source voice assistant core with modular architecture
  • Installable on Raspberry Pi, Linux desktops, and embedded boards
  • Supports both offline and online speech recognition and text-to-speech
  • Custom wake word and voice interaction workflows
  • Highly extensible plugin system for new voice “skills”
  • Privacy-focused data handling and local-first processing
  • Docker and virtual environment installers for flexible deployments
  • Multi-platform GUI support for screens and voice-only devices
  • Community-driven development and large ecosystem of contributors
  • Exportable and customizable for commercial or hobbyist voice applications

OpenVoiceOS Description:

OpenVoiceOS is a comprehensive open-source voice artificial intelligence platform built to provide developers, hobbyists and organizations with the tools to create custom voice-controlled systems. The platform supports a wide range of devices from Raspberry Pi boards and embedded systems to full desktop machines, enabling voice-enabled assistants that run locally, preserving user privacy and minimizing dependence on commercial voice ecosystems. Users can install via Docker or a virtual environment and choose to add modules for speech-to-text, text-to-speech, wake-words, graphical user interfaces or headless deployment. The plugin system allows new “skills” to be added easily, meaning developers can extend functionality for home automation, robotics, smart displays or custom business devices. Designed with privacy and flexibility in mind, OpenVoiceOS gives you control over your data, supports offline recognition for sensitive environments and avoids vendor lock-in. The platform benefits from an active community of contributors who maintain modules, documentation and installation tools. With its modular, cross-platform architecture you can pivot from a simple voice assistant on a hobby board to a full-featured commercial deployment on embedded hardware. OpenVoiceOS is suitable for anyone building voice UIs, smart home integrations or specialized voice devices—and because it is free and open-source, it presents a compelling alternative to proprietary voice assistants.

Alternative to OpenVoiceOS