The 1.0 version of Eye-Friendly 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. Eye-Friendly for Mac lies within System Tools, more precisely Automation. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This Mac app is a product of Jörg Jacobsen.
From the developer:
This application helps you rapidly change screen resolutions with a hotkey. It observes HiDPI and native resolutions tagged as "eye-friendly" and optionally hide any other. It gives you the ability to use predefined keyboard shortcuts to casually step through resolutions.
You may want to check out more software for Mac, such as Bulldog, AlphaTrack Manager or Script Timer, which might be related to Eye-Friendly.