Downloading PowerCocoa 1.1 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The actual developer of this free software for Mac is Oliver Krakora. PowerCocoa for Mac is included in System Tools.
From the developer:
PowerCocoa is an application that prevents your Mac computer from entering the sleep mode. You have the ability to activate PowerCocoa directly from the menu bar. You can choose to activate PowerCocoa for a specified time or activate it for as long you need it.
You may want to check out more Mac applications, such as Bulldog, Script Timer or Junecloud automator actions, which might be similar to PowerCocoa.