Sleep Preventer

Sleep Preventer download

It prevents your Mac from entering the automatically sleep mode.
Download from the developer's website

Alternative apps

MenuBar Stats
3.4
Monitors your system and signals what does not function well.
PleaseSleep
2.3
FREE
This Mac app lets you set a sleep timer for your computer.
KeepingYouAwake
133.0
FREE
Prevent your Mac from going to sleep mode for any time period you like.
Swipe Lock
1.2.1
Swipe Lock brings the mobile experience to desktops and laptops.
Launch!
FREE
Launch! software - Launch and Control BigPond Cable.