Love it and already recommend it to my colleagues! There are a lot of natural voices provided and especially for Chinese language, the performance is beyond my expectation!
I am now using Narakeet for all my presentations and lectures. This project is actively developed and those guys are adding new features and languages constantly. I save a ton of time with it!
Highly innovative - I recommend trying this product for anyone who produces a lot of presentations and look for more engaging content than plain slides.