Alpha

Music, liberated.

LoonBox is a modern, open-source desktop music player built with Flutter and Rust. The spiritual successor to Songbird and Nightingale.

View on GitHub Windows build available · Linux & macOS coming soon

LoonBox home page with listening stats, recently played, and top albums

Everything you need. Nothing you don't.

♫

Rust Audio Engine

Gapless playback, sample-rate resampling, 10-band parametric EQ with 17 presets. No Electron. No compromises.

📚

Your Library, Your Way

Scan your folders. Watch for changes. Full metadata extraction for MP3, FLAC, OGG, WAV, and AAC. MusicBrainz auto-tagging.

🎨

Feather Theming

5 built-in feathers from modern to classic. Full shell transformations coming soon — including a Winamp-style skin.

🔧

Open Source

AGPL-3.0 licensed. Extensions and themes can use any license. Built in the open, by the community, for the community.

See it in action

Album grid with art and filters — Album browser

Artist browser with album art avatars — Artist browser

Search with artist art and track results — Search

Settings with feather switcher and browser controls — Settings & EQ

What's ahead

✓

Audio Engine Rust-powered playback, EQ, visualizers

✓

Library & Metadata Folder scanning, MusicBrainz tagging, album art

✓

Core UI Library, albums, artists, playlists, search, queue, now playing

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Feather Shells Full layout transformations — Winamp-style skins and more

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Lua Extensions Sandboxed plugins with The Nest marketplace

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Tremolo Decentralized music distribution and purchase

Built on legacy

LoonBox carries forward the spirit of Songbird (2006) and Nightingale (2012). A ground-up rewrite — no XULRunner, no Gecko — but the DNA lives on: feather theming, extension architecture, and a library-first approach to music management.

A product of MPLS LLC