Flacon ~ Unix Audio File Encoder


Flacon extracts individual tracks from one big audio file containing the entire album of music and saves them as separate audio files.

To do this, it uses information from the appropriate CUE file. Besides, Flacon makes it possible to conveniently revise or specify tags both for all tracks at once or for each tag separately.

  • Supported input formats: WAV, FLAC, APE, WavPack, True Audio (TTA).
  • Supported out formats: FLAC, WAV, WavPack, AAC, OGG or MP3.
  • ReplayGain analysis (album-gain and track-gain modes).
  • Multi-threaded conversion process.
  • Automatic character set detection for CUE files.
  • Generation of the pertrack CUE file in the output dir.

flacon-main-small

https://flacon.github.io/

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Jajuk ~ Advanced Java Jukebox


Jajuk is a Java music organizer for all platforms. The main goal of this project is to provide a fully-featured application to advanced users with large or scattered music collections.

Jajuk main principles are:

  • Maximum features – Jajuk is made firstly for advanced users looking for powerful features;
  • Maximum usability – Jajuk is designed to be intuitive, fast and provide multiple ways to perform the same operation;
  • Maximum portability and desktop integration.

jajuk_track_view

https://www.jajuk.info/

Kid3 ~ Cross-platform Audio Tagger


If you want to easily tag multiple MP3, Ogg/Vorbis, FLAC, MPC, MP4/AAC, MP2, Opus, Speex, TrueAudio, WavPack, WMA, WAV and AIFF files (e.g. full albums) without typing the same information again and again and have control over both ID3v1 and ID3v2 tags, then Kid3 is the program you are looking for.

kid3

Website
SourceForge
Wikipedia

KeyFinder ~ Musical Key Song Analyser


KeyFinder is an open source key detection tool, for DJs interested in harmonic and tonal mixing. It’s intended to be very focused: no library management, no track suggestions, no media player. Just a fast, efficient workflow tool. It supports a huge range of codecs thanks to LibAV, and writes to metadata tags using TagLib.

keyfinder

Mac / Windows

Website

AcoustID ~ Identify Your Music


AcoustID is a project providing complete audio identification service, based entirely on open source software.

It that consists of a client library for generating compact fingerprints from audio files, a large crowd-sourced database of audio fingerprints, many of which are linked to the MusicBrainz metadata database using their unique identifiers, and an web service that enables applications to quickly search in the fingerprint database.

Website
Applications
Acoustic Fingerprint – Wikipedia