In my opinion this is a total must have for any meaningful data lake - no matter which SQL backend you use (but will work with many NoSQL too, given there are so many compatibility drivers). The word "meaningful" is not used at random, Timbr adds a thin, light, layer of semantics applied at query time which totally adapts to the way your data has been stored in your existing systems giving you the power of writing super powerful queries in a few lines which would have taken pages of incomprehensible joins before that.
The Timbr team then is overly excellent - we continue to receive more support than we would have hoped and so with so many of our suggestions having been incorporated in a matter of short weeks really.
I'd say timbr is bound to be recognized as one of the most impactful projects in the big data world.