Touch bar is one of the worst thing happened to new Macs period. But as Apple is not giving you any choice you will have to get used to it as we are going to use to a new flat keyboard. Luckly 2Touch app is here to reduce the pain a little.
The app lives on your Touch Bar along with your menu bar, where you can add and customize your Touch Bar buttons. You’ll be presented with a list of available apps you can launch, along with window size preferences. 2Touch can be used to set up multiple applications at once. Open your Email, Calendar and Work Portal in one go. 2Touch will fit them nicely into half a screen per monitor.
Check out this free app here.