St. Clair Software (http://www.stclairsoft.com/) has introduced an upgrade (2.0.4) to App Tamer, its Mac utility that manages applications to deliver more efficient CPU usage and increased battery life. This version delivers full compatibility with Mac OS X Yosemite.

App Tamer comes pre-configured to automatically manage Safari, Firefox, Chrome, Spotlight, Time Machine, Word and many other apps when they're in the background. You can customize it for other apps, as well.

App Tamer will operate on any Mac running Mac OS X 10.7 or higher. You can try App Tamer free for 15 days. A license to continue using it after the trial period is US$14.95. Users of App Tamer 2.x can upgrade to version 2.0.4 for free. Users of earlier versions can upgrade for $7.95.