Beeminder - Beeminder
GoalsWon - Human accountability coaching for busy people
Lifetick - Lifetick is an online Goal Setting application with a stylish, easy to use interface.
Habitica - Habitica is a free habit building and productivity application.
Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.
Goalscape - Goalscape goal setting software is the best way to define, work on and reach your highest goals.