Snapcast is a multi-room client-server audio player, where all clients are time synchronized with the server to play perfectly synced audio. It’s not a standalone player, but an extension that turns your existing audio player into a Sonos-like multi-room solution. The server’s audio input is a named pipe /tmp/snapfifo. All data that is fed into this file will be send to the connected clients. One of the most generic ways to use Snapcast is in conjunction with the music player daemon (MPD) or Mopidy, which can be configured to use a named pipe as audio output.
OSTDB ~ Open Video Game Soundtrack Database
OSTDB is an open database of official video game soundtracks. It catalogues soundtrack releases associated with games and provides links to streaming services. OSTDB also offers a public API, making its catalogue potentially useful for video game music research and software projects.
ostdb.net
github.com/OSTDB
chromewebstore.google.com
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chiptrackr ~ Online FOSS Web Tracker & Player
Browser-based chiptune tracker for the demoscene. Compose XM/MOD/S3M/IT in the classic tracker style, on desktop and mobile, with live jams and a tiny intro replayer.
chiptrackr.com
github.com/wirehack7/webtracker
Related:
GameBoy online tracker ~ gb.chiptrackr.com
Reference:
en.wikipedia.org/wiki/Music_tracker
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ProM ~ ProjectM As Plugins
projectM is an awesome music visualizer. DISTRHO ProM makes it work as an audio plugin (CLAP, LV2, VST2 and VST3).
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OnKey ~ Mac Singing Trainer
OnKey is a free, open-source singing trainer for the Mac. Play a song in Spotify, Apple Music, or YouTube in a browser, and sing along. The first time, you get the lyrics, and OnKey learns the singer’s melody when the song ends. After that, the notes scroll towards you, your pitch is drawn over them, and you get a score with a report on every line.
OnKey doesn’t provide, stream or download music. Your own music app plays it.
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foo_audiomd5 ~ Foobar2000 Does MD5 Checksums
Understanding MD5 Modes
foo_audiomd5 is a foobar2000 component that calculates MD5 checksums of audio content using FFmpeg. It offers two modes:
- Compressed-audio MD5 (default): Calculates a checksum from the compressed audio data, excluding metadata. Use this mode to identify matching encoded audio independently of tags and artwork.
- PCM-based MD5: An advanced option that calculates checksums from decoded PCM samples for supported lossless formats. Use this mode to identify matching audio across different lossless encodings, such as FLAC and ALAC.
Unlike format-specific integrity checks, foo_audiomd5 provides a common checksum field for use across supported audio formats. This makes it useful for cross-format audio comparison, library-wide deduplication and verification through foobar2000 queries or external tools. For FLAC files, it complements rather than replaces the format’s built-in integrity checks.
Configuring the Plugin
Open Preferences > Advanced > Tools > Audio MD5.
- FFmpeg bin path: Specify the location of
ffmpeg.exe. Recent versions accept either the containing directory or the full executable path. - PCM checksum: Enable the advanced option to calculate checksums from decoded PCM data for supported lossless formats.
- Quiet mode: Enable this to write tags without prompts during batch processing.
- Checksum tag field: The destination field is configurable. Confirm its name before creating foobar2000 columns or queries.
Running a Scan
- Select the files you want to process in foobar2000.
- Confirm the FFmpeg path and select the appropriate checksum mode.
- Enable quiet mode if desired.
- Start the scan and review the results dialog.
- Check for errors and confirm that the checksum tags have been written.
The results dialog supports sorting and context-menu actions. Version 0.7 also added scan-duration estimates.
Existing checksums: By default, the component skips tracks that already contain the configured checksum tag. To recalculate them, use the separate, hidden-by-default forced-rescan context-menu command. This is important when changing checksum modes.
Best Practices:
- Confirm the correct checksum mode before beginning a library-wide scan.
- When changing modes, force a rescan of files with existing checksums.
- Keep the checksum field consistent across your library and document the method used.
- Use separate file-level checksums when you need to track changes to tags, artwork or other file contents.
Advanced Techniques
Recalculating an existing library: If your library already contains compressed-audio checksums and you want to adopt PCM-based checksums, configure PCM mode and use the forced-rescan command. Otherwise, existing values may be left unchanged because the default scan skips tagged files.
Verifying results across formats: Select equivalent lossless files in different formats, calculate their PCM checksums and compare the resulting tag values. Matching values provide a convenient way to identify identical decoded audio.
Using decoder integrity verification: Version 0.7 added support for decoder integrity verifiers when calculating PCM checksums. Where supported, this lets the component use the decoder’s integrity-verification facilities as part of the process.
Large-library processing: The component supports multithreaded scanning. For very large collections, process manageable batches and review the results before continuing. Multiple foobar2000 instances are not necessary for normal operation.
Component: www.foobar2000.org/components/view/foo_audiomd5
Reference: en.wikipedia.org/wiki/MD5
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AudioRouter ~ Windows Visual Router
AudioRouter is a visual audio router for Windows 11. Draw your audio on a canvas: plug a microphone into a noise gate, an EQ and a compressor, send the result to Discord, monitor it in your headphones and record it, all at once. Stream game audio from your gaming PC to your streaming PC over your home network. Every route is a picture you can read, and every setting is live.
audiorouter.org
github.com/MrDesjardins/audiorouter
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Ecoute 2 ~ IOS Audio Player
Listen to iTunes without having to launch it.
ecoute.juliensagot.fr
ecoute.en.uptodown.com/mac
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Riff ~ FOSS Cross-platform Music App
Riff is an open-source, telemetry-free desktop music app and player for Windows, Linux, and macOS. It unifies playback across YouTube Music, YouTube, SoundCloud, and offline local media into a single high-performance interface without ads, subscriptions, or login constraints. Provides very fancy UI and layout.
Built with Electron, Vanilla JavaScript, and WebGL, Riff provides responsive UI interactions and hardware-accelerated audio visualization without runtime framework overhead. The project is distributed under the MIT license and enforces strict privacy: all configuration, cached streams, and playback history remain strictly on the local machine.
Features:
- High quality streaming with YouTube Music, YouTube, and SoundCloud without third-party advertisements or account requirements
- Offline lossless playback with full local library support for high resolution formats including FLAC, WAV, MP3, OGG, and M4A.
- Easy built-in audio editor, downloading with effects or trimming 10-band & 3-band equalizer, and real-time DSP effects (speed, pitch, reverb, distortion).
- 1-Click multi-platform playlist migration: Direct import and resolution of public playlists from Spotify, Apple Music, YouTube Music, and SoundCloud
- Material Design 3 UI: Dynamic color extraction from album artwork, deep UI theming, responsive layout presets, and an integrated CSS editor
- Hardware-Accelerated Visuals: Canvas and WebGL visualizers including real-time frequency analyzers, an interactive squiggly progress scrubber, and synchronized karaoke lyrics.
- Discord Rich Presence: Real-time playback status reporting track metadata, artist info, and elapsed time to Discord.
- Zero Telemetry: No tracking identifiers, analytics pings, or background data collection.
- Fullscreen mode with fancy lyrics animation.
- Albums – see all of your favorite artist albums.
- Customization – built in theme editor, configure everything, and a CSS editor, with animated backgrounds and interface opacity sliders.
- Plugins – built-in plugin feature where you can add a plugin to edit how Riff works with something or add a new function.
riff.hs.vc
github.com/rootscripts/riff
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Music ~ Python Extreme Fidelity Synthesis
Extreme-fidelity synthesis of musical elements.
Music generates and manipulates sound in LPCM audio, sample by sample. It implements MASS (Music and Audio in Sample Sequences), a collection of psychophysical descriptions of musical elements expressed as equations and corresponding Python routines.
Music can synthesize musical notes, scales and chords, apply audio filters and effects, create spatial audio, and even sing lyrics to a melody. It is designed for precise sound synthesis, audio processing, and experiments with music and sound.
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matrixmixer.lv2 ~ Matrix Mixer Plugin
matrixmixer.lv2 is a matrix mixer π
It is available as a LV2 plugin and as a standalone JACK-application. The JACK application can run headless and be remote controlled via OSC.
github.com/x42/matrixmixer.lv2
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NeoBleeper ~ PC Speaker Music Maker
NeoBleeper is the world’s first AI-enabled tune creation software using the system speaker (aka PC Speaker) on the motherboard, inspired by the Bleeper Music Maker software that Robbi-985 (aka SomethingUnreal) developed around late 2007-early 2008 but abandoned in 2011 due to the fact that beeps were directed to the default sound device instead of the system speaker on the motherboard in newer Windows versions. NeoBleeper provides a more stable music making experience by solving the problem of system beeps being directed to the default sound device instead of the system speaker on the motherboard in newer Windows versions by accessing the physical port of the system speaker.
github.com/GeniusPilot2016/NeoBleeper
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Soundgrain ~ Granular Sound Synthesis
Soundgrain is a graphical interface where users can draw and edit trajectories to control granular sound synthesis. Soundgrain is written with Python/WxPython and uses Pyo as its audio engine.
github.com/belangeo/soundgrain
linuxsynths.com/SoundgrainDemos/soundgrain
