Lifetick - Lifetick is an online Goal Setting application with a stylish, easy to use interface.
GoalsWon - Human accountability coaching for busy people
Beeminder - Beeminder
CARROT - Meet CARROT, the to-do list with a personality.
Habitica - Habitica is a free habit building and productivity application.
Joes Goals - Joe's Goals is an online goal-tracking website. 100% Free. No Download Required.