Quire for Slack is a perfect match.
Never miss a task you need to do with Things 3. It is always easier if you can follow up smaller steps to achieve your project, this is exactly what Things 3 lets you do! It comes with really valuable features like reminders, quick finders, tags, drag-and-drop to-do lists, multiple windows and so much more!
Todoist lets you keep track of everything in one place so you can get it all done and enjoy more peace of mind along the way.
You can get tasks out of your head and onto your to-do list anytime, anywhere, on any device – even offline.
Todoist helps over 13 million people feel more in control of their lives.