Bluetooth File Exchange
- Makes it easy to share files between your Mac and Bluetooth-enabled devices.
AppleScript Editor
- AppleScript is a powerful and versatile scripting language built into OS X.
AirPort Utility
- Note: Most recent release available only within OS X 10.11 El Capitan update.
Tutor for iMovie
- Tutor for iMovie is a pack with 49 video tutorials for iMovie.
iPhotoDuplicateCleaner
- iPhoto Duplicate Cleaner is a nice app that can help you get rid of duplicates.
Dropbox
- Automatically back up your data to your Dropbox account.
DivX Player
- This application enables you to watch movies on your Mac.
AirParrot
- AirParrot 2 uses AirPlay to mirror your Mac's screen to Apple TV, wirelessly.
Adobe Revel
- Adobe Revel (was Adobe Carousel) lets you easily bring all your photos together in a photo library you can access from your iPad, iPhone, and Mac.