Habits - Habits is an Android app that I wrote to help me work towards my goals by turning them in to habits.
Nirow - Habit tracking: Automated, Siri-ed, Calendar-ed, and More!
Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.
Gone - An ephemeral to-do list
42goals - 42goals is a simple tool for tracking your daily goals and keeping a log of your daily activities.
Taskful - Deadlines, meet your match.