I was using the Epic built in task manager and it's decent. I would suggest downloading advanced task killer. I found it shows some apps that were not showing up in the built in task manger in touchwiz. Maybe your epic is just hung over?
The Epic has a built in task manager. This can be accessed but holding down the Home button. Click the task manager, and kill all running apps. This will essentially do the same thing as restarting the phone (in terms of what you're trying to accomplish by doing so).
I was using the Advanced Task Manager. I uninstalled it yesterday, and this morning my phone was doing much better.
The phone would be stuttering even after I used the ATM to kill ALL running apps, so I'm guessing it was the ATM?
Is there a way to disable apps autostarting?