Sleep Preventer download

It prevents your Mac from entering the automatically sleep mode.
Counter
Download on the Mac App Store

Alternative apps

MenuBar Stats
MenuBar Stats
rating

Monitors your system and signals what does not function well.

Battery Guru
Battery Guru
Free
rating

Menubar application that tracks laptop battery health.

Startupizer 2
Startupizer 2
rating

This app helps you manage login items on your Mac.

Battery Guardian
Battery Guardian
Free
rating

Keep your Mac battery healthy. A healthy battery is one that is regularly depleted and charged all the way back up.

DssW Sleep Monitor
DssW Sleep Monitor
rating

It audits and helps you better understand your Mac's energy use.