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Software · Self-hosting

Fosi-S3

Home Assistant integration for the Fosi Audio S3 network streamer. Switches physical inputs (HDMI, optical, line in, Bluetooth) over the local StreamSDK API — the one thing Cast and AirPlay cannot do.

  • Completely free
  • Open source
  • No account

Overview

Fosi-S3 is a home automation program.

Features described in its GitHub repository: casting to other devices (Chromecast, DLNA…).

Services and protocols mentioned: S3 and Home Assistant.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Home Assistant integration for the Fosi Audio S3 network streamer.” — GitHub, 10 November 2026
  • “The S3 already reaches Home Assistant through Cast and AirPlay, which give you transport and volume for whatever they are streaming.” — GitHub, 10 November 2026

At a glance

All of Fosi-S3 is free: no feature is locked behind a paid plan, and its code is open.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

Sources and checks

  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Last technical check: 9 November 2026
  • Description from github.com — Dépôt GitHub zzznz27/Fosi-S3 (MIT)

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