Speechify 2.2.13 for Mac was free to download from our application library. The application lies within Internet & Network Tools, more precisely Browser extensions. This free software for Mac OS X is a product of ViJo.
From the developer:
Speechify is a free-to-use browser extension that allows you to convert your text to speech. Highlight the text that you want to be spoken and click the play button at the top right corner of your window. Sit back and listen. This extension lives in your browser menu bar.
You may want to check out more Mac applications, such as WebCopier, Bwana or G-Force Toolbar, which might be related to Speechify.