Download of MemoryKeeper 1.3 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The software lies within System Tools, more precisely System Optimization. You can run this free app on Mac OS X 10.6 or later. The most popular versions among MemoryKeeper for Mac users are 1.2 and 1.1. This free Mac app is an intellectual property of Kromtech Alliance Corp.
From the developer:
MemoryKeeper is a simple application that automatically optimizes your Mac's memory.
You may want to check out more Mac applications, such as MainMenu, DragThing or Kext Utility, which might be related to MemoryKeeper.