SEPIA

What the maker publishes

Client platforms

The client documentation describes browser use on desktop, Android, and iOS; on iOS it instructs users to open the app in Safari and add it as a PWA. source

Customization

Users can create commands in the app, build voice-controlled services with the Java SDK, or replace framework modules. source

Dialog

SEPIA handles spoken or typed natural-language requests and can ask follow-up questions when a service needs more information. source

Hosting limit

The documentation says SEPIA is not currently hosting public servers, so users need access to their own server or one hosted by a friend or company. source

How it works

Its self-hosted server runs core modules including the database, user-account management, natural-language understanding, and chat. source

Integrations

The documentation names openHAB as an example smart-home integration, and the SEPIA-Home v2.7.0 release notes state that it adds Home Assistant support. source

Mesh Nodes

SEPIA Mesh Nodes can connect to the assistant and execute programs on their device; users can create voice commands or upload programs through the Control HUB. source

Privacy

The homepage says users control their data in a self-hosted environment and describes the server as the backbone of the framework. source

Product

SEPIA is an open-source framework and cross-platform app for building a private, customizable digital voice assistant. source

Security setup

The installation documentation describes self-signed SSL for private networks and Let's Encrypt SSL for servers reachable from outside the network. source

Server platforms

The installation documentation describes SEPIA-Home for Windows, Mac, and Linux, and provides Raspberry Pi installation instructions. source

Smart services

The documentation lists services including news, radio, timers, alarms, reminders, to-do and shopping lists, smart home, navigation, weather, Wikipedia, and web search. source

Speech

The client supports speech recognition through native platform APIs or a custom open-source STT server, and text-to-speech through native APIs or compatible server tools. source

Support

The documentation directs users with questions or bug reports to GitHub issues or discussions. source

Checked against the maker's pages on 4 Oct 2026.