Mac Pick: TripMode
Jason Snell's pick of the week on MacBreak Weekly 527 is TripMode. This is great for people who use a Mac and tether to a cellular device a lot. TripMode lets you decide what apps and processes on your Mac use data, and which ones do not. Unlike the iPhone, where apps can behave differently when using cellular data or Wi-Fi, the Mac doesn't differentiate between connection types. This is where TripMode comes in.
When you activate TripMode, you'll select the apps that you want to have access to the network. It will then warn you if an app tries to use data. The app also will track data usage so you can see how much data was used per app and per session, day, or month. It even will activate itself when you join a network where you've used it before.