Cross-platform, open-source voice assistant and framework to build fully-featured, offline machines you can talk to. Self-hosted. Desktop and mobile clients. Repos of note:

• sepia-stt-server - Public SEPIA server to support open-source speech recognition via WebSocket connection.
• sepia-assist-server - Core server of the SEPIA Framework responsible for NLU, conversation, smart-service integration, user-accounts and more.
• sepia-html-client-app - Application to communicate with SEPIA via browser, iOS and Android. Works as chat messenger with personal-assistant, ASR and TTS integration.
• sepia-admin-tools - Tools to connect to your SEPIA servers, change settings, organize users, test the APIs and more.
• sepia-installation-and-setup - Instructions, scripts, tools and files to install, setup and run the SEPIA-Framework on Raspberry Pi, Windows, Mac and other Linux systems.