Isolator: For Focusing On Applications On A Mac  Lets you focus on just the app your working on can be downloaded here Download Links: Version 4.9 Beta for Mac OS X 10.5, 10.6, and 10.7 Version 4.4 Stable for Mac OS X 10.5 and 10.6 Version 4.0 Stable for Mac OS X 10.4

Isolator: For Focusing On Applications On A Mac 

Lets you focus on just the app your working on can be downloaded here

Download Links: