The 1.2 version of FreeTTS for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. This free Mac app is an intellectual property of FreeTTS. The application is included in Productivity Tools.
From the developer:
reeTTS is the best app for you to convert text to speech with natural voices. Powered by several advanced voice engines, FreeTTS supports more than 37 languages with more than 50 different natural voices.
You may want to check out more Mac applications, such as Plain Text Editor, Mémoires or SignalScope Pro, which might be similar to FreeTTS.