LiveSplit: https://livesplit.org/

These splits include arrow keys that indicate where you need to go in the area maps with the curtains.

These splits include subsplits for each area. In order to display them properly, right-click on Livesplit, select "Edit Layout", click on the "+", then "List", then "Subsplits". Then, drag "Subsplits" to the spot right underneath "Splits. Afterwards, click on "Splits" and then click "-" so that only the subsplits are shown. Click "Ok" to exit the Layout Editor. You can now save the changes to your layout by right-clicking on LiveSplit and clicking on "Save Layout As".

This is how the splits will look like with the default layout: