Alternatives to KFR for all platforms with any license

  • PortAudio

    PortAudio is a cross platform, open-source, audio I/O library. It provides a very simple API for recording and/or playing sound using a simple callback function.

    Free Open Source Mac Windows Linux

    PortAudio icon
  • AudioKit

    AudioKit is the leading open-source audio framework. It powers millions of app installs. AudioKit allows developers to quickly add professional audio functionality to...

    Free Open Source Mac

    AudioKit icon
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