Lifetick - Lifetick is an online Goal Setting application with a stylish, easy to use interface.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Beeminder - Beeminder
Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.
Joes Goals - Joe's Goals is an online goal-tracking website. 100% Free. No Download Required.
EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.