Meteoric
http://meteoric.github.io/
is a port of ionic, to remove the Angular stuff, and make some UI parts reactive. EDIT: not being updated now that angular is an option to jam into meteor itself.
related article:
https://medium.com/space-camp/cross-platform-uis-for-mobile-meteor-apps-6f12b583b205
this does seem like a great solution for mobile, but won’t help if you want one UI to be responsive across to desktop devices too. they have deliberately kept the grid simple and mobile focused.