This is the Open Source version of FoxVox which ships with free low-medium quality voices by the Mbrola Project. Commercial usage of the Mbrola voices is NOT allowed because they are NOT Open Source. Due to this, the Firefox add-on reviewers will not let this edition out of the Sandbox (experimental area) since nobody can check the code's security. This is why FoxVox2 was born.
This edition can also co-exist with FoxVox2 the web-based application with 50 high-quality voices.
No commercial or military use of the included voices - The Mbrola TTS Project does not allow commercial or military usage..
If you use FoxVox for commercial/business purposes then you can FoxVox2 or Desktop Pro.
Go to download page at Mozilla add-ons.