Mac say, Have your JavaScript Node.js app make your Mac speak.

gistfile1.txt

global.escapeshell = function(cmd) { //http://stackoverflow.com/a/7685469
  return '"'+cmd.replace(/(["\s'$`\\])/g,'\\$1')+'"';
};

global.say = function(string)
{
	var os = require('os');

	if (os.type() == 'Darwin')
	{
		var exec = require('child_process').exec;
		exec("say " + escapeshell(string), function(error, stdout, stderr)
		{
			console.log(stderr);
		});
	}
}

say("Hello, Mac user!");