Found this nifty program today ‘SecondBar‘ it creates an extra menubar on your 2nd monitor which means you don’t have to move your mouse across both screens to access a menu item.
NB: Currently your usual menubar icons aren’t copied across, however there are some nifty extras like enabling you to right-click the maximise button to give a full-screen maximise (rather than the usual resize of ‘as big as OSX thinks you need it’).
One reply on “Mac OSX Tip: Mirror menubar to Dual Display / 2nd Monitor”
Another option is Multi Display Utility (mackbyte.com/multi-display-utility. It allows more than 2 displays and has many for features.