task.li is the simplest way to create a shared task list for groups. There is no sign up needed, everyone can use it right away. Simply add our email address as a reciepient when you send out an email containing tasks to your client, collegues or friends. task.li is free to use and always will be. We plan do add a payed account with additional features in the future. Please note that task.li need a browser that supports Javascript.