Exist - Track everything in one place, understand your life.
Moodnotes - Capture your mood and improve your thinking habits
Critical Stimulus - Critical Stimulus is a psychoanalytical tool that uncovers repressions, hidden agendas and more.
Moodistory - Feeling down? - Time to make a change! Track, understand & take control of your emotions now.
MoodPanda - MoodPanda.com is a mood tracking website and iPhone app.
MoodScope - MoodScope is a web based application for measuring, tracking and sharing your mood.