2DoList is a simple to-do application where users can add tasks with reminder on an intuitive calendar interface. All you need to do is click on a date which will take you to the Task View of the App from there you can add todos for a given day. You can also attach a reminder with each task or todo item and get alert in Notification Center. The intuitive UI of this app enables you to add tasks effortlessly. One can also open the app from Status Menu Bar icon. It comes very handy to be able to add tasks from Menu Bar without having to open the app on the Desktop.