This is great - I'm working on internal webapps full time and I often notice how data-heavy apps with high density of information come with their very own challenges that make Bootstrap, Foundation and Co. less of an ideal choice. What looked great in a simple demo, suddenly feels cluttered in boring data grids. Often it turns out that adapting these frameworks to our own requirements, visually and in terms of functionality, is more of a hassle than simply starting from scratch. Which is what I started to do lately.

This, however, seems like a great starting point that I will definitely keep in mind for future projects. I'll need to check how easy it will be to customize and extend it, but it's a great first impression.