Turbo Boost Switcher - Toggle the processor’s Turbo Boost mode on demand.
Die With Me - Chat with strangers when you have less than 5% battery
AlDente - MacOS menu bar tool to limit maximum charging percentage
Battery Health - FIPLAB is an award winning application development studio in London that specialises in creating intrinsically viral, high quality iPhone, iPad, Mac and Windows 8 applications.
iStat Menus - "An advanced Mac system monitor for your menubar."
Battery Buddy - Like the default battery indicator in your menu bar but cute