The 1.0 version of GPULife for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application belongs to Theming Tools. This free Mac app is an intellectual property of Michael Ash. 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.
From the developer:
GPULife is a screensaver which displays Conway's Game of Life, implemented entirely as an OpenGL shader. As a result, it uses almost no CPU power as it runs, and it can achieve very high framerates.