The 3.0 version of Sleep Eject for Mac is available as a free download on our website. The actual developer of this software for Mac is Chris Vallis. Our antivirus check shows that this Mac download is virus free.
From the developer:
Just close the lid on your MacBook and go!
Automatically and safely unmount all safe to eject disks before the system goes to sleep and optionally when a user logs out or switches account.
-Prevent annoying errors.
-Show or hide status bar icon.
-Global Hot Key to quickly unmount all removable disks.
-Automatically remount disks when connected.
You may want to check out more software for Mac, such as Quick Eject: Quickly eject your external drives, multiple Eject or Eject Extra, which might be similar to Sleep Eject.