There are lots of great fonts on Google Webfonts lib, but atm – Oswald is the hero.
Mako, Lato, PT Sans, Yanone and some handwritten fonts
Open Sans it’s nice, maybe used by too many authors here. I’m just finishing my first submission for TF, and my choice is Lato !!!!
I fell in love with PT Sans and Open Sans .
‘PT sans’ is very clean and light. I also used it often.
Here’s two blog posts with a couple of great Google fonts:http://sachagreif.com/google-webfonts-that-dont-suck/ http://sachagreif.com/more-google-webfonts-that-dont-suck/
I find myself referring to the posts quite often when designing