Proxi is a free utility from Griffin Technology for Mac OS X. It allows the assignment of automated events called "tasks" to a variety of "triggers" such as hotkeys, email, iTunes, RSS feeds, as well as hardware available from Griffin such as the PowerMate, AirClick or radio SHARK. These tasks can do such things as display messages on the computer screen, play a sound, write to a file, execute an AppleScript, control iTunes or iChat.
Social software tracker for the Mac.
Window management program designed for Mac.
An integrated, easy-to-deploy environment for building, assembling...
ControlPlane makes your computing environment context-sensitive.
You can have up to 10 Docks and organise your applications as you like.