This is a good site on Mac OS & useful software addon / utilities for Mac:

CLIX                    :  http://www.rixstep.com/4/0/clix/
ACP WebServices  :  http://www.rixstep.com/4/0/aws.shtml
Apple core project : http://www.rixstep.com/4/0/

Rixstep home        : http://www.rixstep.com/
Products page      : http://www.rixstep.com/4/
CLIX Exchange Security (forum) : http://www.dotatdot.co.uk/clix/viewforum.php?f=9

SKA

From bash.org:

#171297 +(160)- [X]

<@DocGonzo> saying mac osx has 'the power of unix' is like putting whippets in your glovebox then saying your car has 'the power of nitrous'