Bootstrap
For everyone who is tired of using jQuery UI in your web applications (no offense but I think Oracle APEX ruined jQuery UI for me..) here comes Bootstrap. Less Javascript more CSS (or {less}). We are using it now for a couple weeks and I have to say, it is simply beautiful! These guys from Twitter did a great job, Bootstrap comes without any images but pure CSS3 styling. Check it out: http://twitter.github.com/bootstrap/