Leon is an open-source personal assistant that runs on your server, enabling privacy-focused automation through modular skills with text and optional voice interaction.

17.5k stars1.5k forksMITlast commit Actively maintained

Voice AI platform offering speech recognition, natural language understanding, and conversational assistant APIs (Houndify) for apps, IoT devices, and customer service; supports speech-to-text, intent parsing, and integration tools for building voice interfaces.
Leon is an open-source personal assistant that runs on your server, enabling privacy-focused automation through modular skills with text and optional voice interaction.

17.5k stars1.5k forksMITlast commit Actively maintained
Self-hosted, OpenAI API-compatible server for streaming transcription, translation, and speech generation using faster-whisper and TTS engines like Piper and Kokoro.

3.6k stars444 forksMITlast commit Actively maintained
Self-hosted voice assistant platform for ESP32 devices with on-device wake-word and command recognition, Home Assistant integration, and an optional inference server for STT/TTS/LLM.
3.1k stars128 forksApache-2.0last commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 3 of 3 shipped a commit in the last six months. Licences in this list: MIT, Apache-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in AI Interfaces (Chatbots, Agents, RAG Apps).