CPU Tuner is a bit more complex than JuiceDefender. Hidden in the main settings, for example, are ways to save multiple configurations and configuration scheduling. In other words, though CPU Tuner offers a very flexible configuration, it may take some time to wrap your head around the concepts of the profiles, triggers and governors.

Grace.Liu

Price: Free

Gemini App Manager helps you manage running and installed apps. Though it doesn't require a rooted device, it offers enhanced functionality for those that are rooted -- which is why I'm recommending it. It's most useful if you have a rooted device and want to move or uninstall multiple apps at once.