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Spark-TTSChatterbox
Free

Free to download and run locally.

 Free

Free and open source under the MIT license.

Windows, macOS, Linux, Command line Windows, macOS, Linux, Command line
  • Voice cloning from a short sample
  • Command line and local web interface
  • Zero-shot voice cloning from a very short audio sample
  • MIT licensed for unrestricted local use
  • Requires Python and model downloads to set up
  • No repository activity since April 2025
  • Generation quality and speed depend on available local hardware
  • No dedicated GUI application, mainly used through code
Downloadable app Downloadable app, Self-hosted
Closed source Open source
License not stated License: MIT
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.