Browse free open source MP3 software and projects below. Use the toggles on the left to filter open source MP3 software by OS, license, language, programming language, and project status.

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  • 1
    mpg123
    This is the fast and Free (LGPL license) real time MPEG Audio Layer 1, 2 and 3 decoding library and console player. It uses floating point or integer math, along with several special optimizations (3DNow, SSE, ARM, ...) to make it most efficient.
    Leader badge
    Downloads: 5,140 This Week
    Last Update:
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  • 2
    JACo MP3 Player ( java mp3 player )
    JACo MP3 Player is a cross platform java mp3 player. Features: very low CPU usage (~2%), incredible small library (~90KB), doesn't need JMF, easy to integrate in any application, easy to integrate in any web page (as applet).
    Downloads: 6 This Week
    Last Update:
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  • 3
    Famous mpg123 lightweight .net wrapper with sample. For use in your own .net mp3 projects. Read ID3 tags, decoder MP3 files, play them out. Really fast decoder for your managed applications. Written in .net 2.0 and c#. It is used in production environment for real-time decoding of audio stream data for http://www.videophill.com/index.php?page=streamsink
    Downloads: 0 This Week
    Last Update:
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