Todoist - Todoist is a to-do list that helps you get organized, at work and in life.

Realworld - A comprehensive platform to make adulting easier

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Focused Task - Open source mac menubar app that helps you do deep work

doo - A smart, simple app for reminders and to-dos

OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.