No specific info about version 3.0. Please visit the main page of Tutorial for Xcode on Mac Informer.
Install and switch easily between multiple versions of Xcode.
If you program using Xcode and want to get some statistics use Statistician
This is a Mac app for iOS & MacOSX developers that analyzes Xcode projects.
Snippet Edit allows you to edit Xcode's system-supplied snippets.
The reincarnation of Michael C. LaBossiere's Fallacy Tutorial Pro.