I’ve tested lots of to-do apps over the years, but nothing has outperformed my inbox.

Origen: Why Your Gmail Inbox Should Be Your To-Do List

Why Your Email Inbox Makes a Great To-Do List

Create labels to sort your to-do items into the right categories

How to create labels and sublabels in Gmail

Create filters to automatically sort your emails into labels

Use Gmail add-ons to move emails to the other apps you use

Use canned responses to quickly get to-do items off your list

Use Gmail’s snooze feature to minimize distractions

Use stars to isolate your tasks for today into a separate list