gistfile1.js

Folio.find().distinct('category', function(err, categories) {
	var dadosCategoria = { };
	var cat = [];
	var loop = categories.length
	categories.forEach(function(category){
		Folio.count({'category' : category}, function(err, c) { 
			dadosCategoria.name = category;
			dadosCategoria.count = c;
			cat.push(dadosCategoria);
			if(loop-- == 0)
			    render(cat)
		});
	});

	console.log(cat);
});

function render(categories){
	res.render('portifolio', 
		{ 
			categories:cat,				
			title: 'Portifolio - Lucas Simon :: Portifolio'
		}
	);
}