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edge-ttsKokoro
Free

Free and open source; it uses Microsoft's online service at no cost.

 Free

Free and open source under the Apache-2.0 license.

Windows, macOS, Linux, Command line Windows, macOS, Linux, Command line
  • No API key or Microsoft account needed
  • Writes subtitles alongside the audio
  • Very small model size makes it fast and cheap to run locally
  • Apache-licensed weights allow unrestricted deployment
  • Depends on Microsoft's online service, so it needs internet and could break if the service changes
  • Playback command needs mpv on macOS and Linux
  • No repository activity reflected since mid-2025
  • No built-in graphical interface; used as a Python library
Downloadable app Downloadable app, Self-hosted
Open source Open source
License: LGPL-3.0 License: Apache-2.0
No account needed Not stated if an account is needed
Needs internet 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.