Download of autoEJECT 2.85 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. AutoEJECT for Mac lies within System Tools, more precisely Device Assistants. 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. This Mac application was originally created by Jiulong Zhao.
From the developer:
autoEJECT will automatically eject all your removable disks when you close your macbook's lid. Your iPods, flash drives, USB devices, SD cards, Firewire backup disks, DVDs, and even mounted DMG files will be safely ejected automatically when your Mac goes to sleep and reconnected when it wakes up.
You may want to check out more software for Mac, such as par2formac, PSPWare or FourEyes3D, which might be related to autoEJECT.