Wunderlist is an easy-to-use task management tool with online synchronization. You can sync your list and todo items via the internet, so you are always up to date. And the best thing about it - It’s totally free! No matter what you have to do, just add a new list and start filling it with your tasks. Keep track of all your things by adding a due date.No matter where you are, your todos will follow you. You can even work offline, wunderlist will sync your data, when you’re back online.