I'm just guessing here...

…but “not a native English speaker” seems likely:

"...and has made a freeware available on a language-learning software."

Oddly enough, the person being referred to has lived in the US for decades, and the book it appears in was printed in the US by a Boston-based publisher.

(what the credit in her bio appears to actually mean is “she produced a free Japanese pronunciation module for an expensive commercial language-lab system”)