Activity Monitor
- Displays information about all the processes running on your Mac.
Tutorial for Xcode Lite
- Tutorial for Xcode Lite brings you free videos to begin teaching you how to develop apps for iOS including the iPhone and iPad.
Time Machine
- Works with an external hard drive to automatically back up your entire Mac.
The Unarchiver
- The Unarchiver is an application for Mac to manage your archive files.
TextWrangler
- Powerful general purpose text editor, and Unix and server administrator's tool.