Grab the app in the Mac App Store while it’s free to get a gauge that lets you quickly access memory information, including which apps are using more than their fair share. Matt Elliott is a senior ...

I didn't expect a server monitor this small to be genuinely useful.

Is your Mac running painfully slowly? Has an application just hung? Did you see a “Your system has run out of application memory” message or the dreaded spinning beach ball? All of these can be signs ...