Festival Speech Synthesis System
6.5#121 in text-to-speech softwareFree planFree planAPILinuxmacOSSelf-hosted
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| Fact | Festival Speech Synthesis System | Speechify |
|---|---|---|
| API access | Yes | Yes |
| Commercial use | Yes | Yes |
| Free plan | Yes | Yes |
| Headquarters | Edinburgh, Scotland, United Kingdom | Miami, Florida, United States |
| Languages | The site lists British and American English, Spanish, and Welsh text-to-speech, and says English is the most advanced. | 60 |
| Platforms | The download page requires a Unix-like environment and gives Linux, FreeBSD, OSX, and Cygwin under Windows as examples. | web,windows,macos,ios,android,chrome_extension |
You want what its maker publishes above — check its page for the details.
Speechify suits people who want text read aloud, with a free option for those who can work within its voice and speed limits. Its API access, voice cloning, and commercial-use capability may also be relevant to developers and commercial users.