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Software · Audio & music

Subsound

Subsound is a music player, available on Linux: playlists and offline use.

  • Completely free
  • Linux
  • Open source

Overview

Subsound is a music player, available on Linux.

Features described in its Flathub listing and in its GitHub repository: playlists and offline use.

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
  • “Subsound is a GTK4/Adwaita music player for Subsonic-compatible streaming servers, with Navidrome as the primary target.” — Flathub, 10 November 2026
  • “It lets you browse artists, albums, and playlists from your personal music server and plays them back directly or from a local cache.” — Flathub, 10 November 2026
  • “Offline first scrobble back to server” — Flathub, 10 November 2026
  • “Subsonic compatible player in GTK4 / Adwaita” — GitHub, 10 November 2026

At a glance

Subsound is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • Commercial use allowed

About

Subsound is a GTK4/Adwaita music player for Subsonic-compatible streaming servers, with Navidrome as the primary target. It lets you browse artists, albums, and playlists from your personal music server and plays them back directly or from a local cache. Features include: Browse and play music from Navidrome or any Subsonic-compatible server Playlist management Starred songs and downloaded songs views Offline playback from a local song cache Offline first scrobble back to server MPRIS media player integration for desktop media controls Native GTK4/Adwaita interface designed for GNOME For offline mode, remember to first Sync Library.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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