Audacity is an easy-to-use, multi-track audio editor and recorder.

- Recording from any real or virtual audio device that is available
  to the host system.
- Export / Import a wide range of audio formats, extensible with
  FFmpeg.
- High quality using 32-bit float audio processing.
- Plugin Support for multiple audio plugin formats, including VST,
  LV2, and AU.
- Macros for chaining commands and batch processing.
- Scripting in Python, Perl, or any other language that supports
  named pipes.
- Nyquist a powerful built-in scripting language that may also be
  used to create plugins.
- Editing multi-track editing with sample accuracy and arbitrary
  sample rates.
- Accessibility for VI users.
- Analysis and visualization tools to analyze audio or other signal
  data.
