xcode useful plugins

From article:
http://stackoverflow.com/questions/3676256/what-are-the-most-useful-xcode-plugins

list of plug ins:
1)code pilot
http://codepilot.cc/
waiting for code pilot 2.0 for xcode 4.

2)Accessorizer
http://www.kevincallahan.org/software/accessorizer.html

3)Completion Dictionary
http://www.youtube.com/

4)Clang Static Analyzer
http://clang-analyzer.llvm.org/

5)Doxygen
http://developer.apple.com/tools/creatingdocsetswithdoxygen.html

6)xcode-bracket-matcher
https://github.com/ciaran/xcode-bracket-matcher