84 Like Caffeine for Mac Alternative? YES NO Caffeine is a tiny program that puts an icon in the right side of your menu bar. Click it to prevent your Mac from automatically going to sleep, dimming the screen or starting screen savers. Click it again to go back. Hold down the... Free Mac Discontinued The program is no longer updated and seems not to work. Last version, 1.1.1, released in December 2010, can be still downloaded from the official website.