Remy is a simple task manager for macOs. It's a menu bar app which keeps a list for your tasks.
You don't want to use sticky notes to remember what you're doing any more. And this will organize your life.

You can add your all tasks to ‘To-Do List’
You can move your task to ‘Done List’
You can switch your list ‘To-Do List’ to ‘Done List’
You can move back your task to ‘To-Do List’
You can delete your task from ‘Done List’
You can clear your ‘To-Do List’
You can clear your ‘Done List’